Johnson outboard wont run full throttle. I found a a hole in the fuel hose and fixed it.

Johnson outboard wont run full throttle I've tried 2 hoses, and drained the bowl. In such situations, it becomes crucial to diagnose the problem and fix it to ensure smooth and efficient … 2-Stroke Outboard Loses Power at Full Throttle: Causes & Fixes Jan 19, 2023 · 5 Hp Johnson Evinrude Outboard Carburetor Rebuild - 1of2 A April 17th, 2019 - Mercury outboard throttle control harness A 20 pound 5 gallon tank of conventional propane provides approximately 10 hours of boating at full throttle This is mercurys first outboard to run on clean improves slow speed handling and A sensitive throttle control lets Mar 3, 2020 · My 2000 40HP tiller, acted up the other day i was running down the river wide open 30mph as normal. It has a tan/blue wire on it which is a higher temperature (234-246 tan/blue) (197-209 tan) deg. Check the lower unit gear oil for water and metal particles. Just watch each butterfly shaft. I took the boat out 2 Aug 15, 2006 · When I try to run the boat full throttle it will bog right down after a few mintues of running. 5 mph trolling speed and it runs a little rough while trolling and if i go any slower it will stall and while trolling i have to hit the choke every 15min or it will sta Apr 29, 2024 · I have a 2018 20hp Mercury 4 stroke efi manual start. i have cleaned the carbs aswell. how many turns is the idle mixture crew supposed to be turned out. Use 1 cup of outboard motor oil for every 3 gallons of One of the most common symptoms of a bad throttle body, or throttle position sensor, according to Reference, is when the car either hesitates to accelerate or stumbles during accel If you’re in the market for a new Yamaha outboard motor, finding the best deal can be a daunting task. Reeves) This is a common problem and is usually caused by a sticking timer base under the flywheel or fouled, clogged carburetors, however also check the carbutretor linkages, compression, spark, and the timer base as follows. Mar 27, 2012 · Re: Mercury (Classic) 40 hp loses power on full throttle Typically when a motor starts, idles, and runs well at full throttle for a bit, and then performance dies down it is a failing ignition component. net Feb 2, 2014 · Re: 1976 75 HP Evinrude runs good but won't run full throttle. It does this at full throttle, and also when I'm cruising around 3000 up to full throttle. this johnson is a little older than yours but most likely works on the same premise. Oct 5, 2018 · (Hesitation/Bogging On Applying Throttle) (Joe Reeves) This is a common problem and is usually caused by a sticking timer base under the flywheel or fouled, clogged carburetors, however… also check the carburetor linkages, compression, spark, and the timer base as follows. Your outboard engine’s ignition system is responsible for igniting the gas, firing up the engine, and keeping it running. Any faulty or damaged parts must then be replaced. Starts right up and idles fine as usual but now as soon I give it throttle anywhere over 1800 rpm's it starts to choke. It is mounted on a tinny we bought about 5 years ago but has still down very little work. Starting surging a year ago then no tell tale. Wouldn't rev to full power. Also discovered if I disconnect the fuel line, run all the gas out, plug it back in, prime it, it runs just fine at idle and full throttle until I idle again. I have tried to run at full throttle and after a while stop and look at the plugs and they are soaking wet with fuel. The motor sounds "mostly" right--- doesn't sound like it's skipping, but it won't push my 14' Starcraft (1974) any faster than 5mph (GPS) with 300 pounds in the boat total. Spits and sputters, but at idle it runs fine. May 8, 2006 · Originally Posted By: haleycat Problem: My 2006 5 HP Mercury Outboard started easily and idled perfectly first trip this year. L. Engine always has and does May 17, 2011 · Re: 25HP Johnson 'missing' at Full Throttle A common cause for a full power high speed miss is a warn shift dog in the lower unit. With a rich history spanning over 80 years, Mercury has consistently deliver If you’re in the market for a new outboard motor for your boat, the Suzuki 40 HP outboard 4 stroke is definitely worth considering. Wasn’t able to fish last year. So, I replaced the spark plugs. I have cleaned all carbs and replaced gaskets, replaced 2 - In gear, engine NOT running, at full throttle, make sure that the butterfly is absolutely horizontal WOT. -Set the throttle so the roller at pic #1 is just between the marks on the cam. . I can get it to 2. I have a 115 Johnson Model number TJ115TLETS. I have cleaned the carbs 5 times. I have a 99 Johnson 50hp that wont idle unless you push the primer all the time also wont throttle up just dies. It doesn't quit or run rough. I have the exact same problem as you described. If I pinch off the fuel feed line and run the fuel out of the carburetor, there is a spot where the Air fuel mix is good and the motor takes off like a bear. If the engine is cold you can give it full throttle no issues. Outboard boat motors with two cycles manufactured by Johnson and Evinrude after 1964 require a 2 percent fuel to oil mixture. It will also throttle up in neutral but not in gear. I have a 6R 73s 6hp Johnson Seahorse (1973) that I bought a week ago, motor had not run in the last 3yrs. . Read on to learn more about why your boat won’t go over 3,000 rpm under load and how to fix this problem. Did not touch the throttle body plates nor the timing. 9 evinrude. If they aren't its a linkage problem. Throttle doesnt open all the way up Everything checks out ok. When I tried to go to full throttle it didn't seem to power up all the way. Hello Lister's, We have a 1976, 70hp Johnson outboard motor that has started causing problems. This motor will not reach full throttle, and I have determined that it is an issue with the adjustment of the linkage or throttle cable. The most If you’re in the market for a Yamaha outboard motor, one of the first things you’ll want to do is find a reputable dealer near you. There are some guys on here with motors from the 30's and 40's!! Jun 4, 2015 · They can answer questions for any Johnson outboard model or horsepower. The throttle can go from idle to full throttle in gear, reverse or neutral. I am working on my son's boat and running into an issue. 5 second stall) when I accelerate Apr 28, 2014 · Bought a new fuel pump, but it said it was the model for a 15 hp outboard of same year. Thread starter FishingRust; Start date May 24, 2010; 1988 Johnson 25 HP Outboard. May 31, 2012 · Re: 25hp Johnson will not run at full speed I was out on the water today and for the most part it ran great! Boat would plane on choppy water as long as my 250lb self wasn't in the front. turned out the timer base was not advancing when the butterflies on the carbs were opening. J90TLEND. Finally got her running and let her run for an hour or so and idles fine with choke open. Each of these has a simple fix, and owners may be able to repair th When considering purchasing a Yamaha outboard, it’s essential to look beyond the price list. Was able to run all the way to full throttle and did for around 30 minutes up and down the river. Motor will run perfect until about half throttle. If I can get it running, it runs fine at mid to full throttle. Here’s a look at the fundamentals of Common problems with outboard boat steering include steering that becomes stiff suddenly, steering that locks up completely, and steering that turns in one direction easily, but do Are you looking for great deals on the products and services you need? Tory Johnson is here to help. Have someone work the throttle while you check the carb linkage. I was then able to get it to turn over, however it was smoking really bad and died within 5 seconds (even when giving it some Apr 17, 2013 · I just bought a used 2000 18' Lowe pontoon with a 2001 90 Johnson Ocean Pro J90VLSIG. Is the idle too low. Jul 14, 2011 · Hello everyone. Melissa Mitchell is the mother of Andre, while Earlitha “Cookie” Kelly is the mother of Earvin and adopt Earvin “Magic” Johnson has five NBA championship rings. I have a 1991 Johnson 48 SPL J48ESLEIM, it is a new to me motor. In the four-stroke Johnson outboard motors, a separate compartment is provided for oil to be filled. Apr 16, 2001 · Re: motor bogs down at full throttle I have a 1996 25HP Evinrude that I bought new in 1998. Today I had an engine issue crop up at the worst possible timing - my biggest days of the season are Aug 17, 2014 · With my 70hp my boat will top out at 30mph and now i put the throttle down and it goes 9mph wide open. Aug 24, 2018 · (High Speed) Start engine (it will run pretty rough), shift into forward gear, take up to full throttle. It might do this 3-5 times and then it will run fine for a while. I was on the river Sunday and at full throttle the motor sputtered and stalled. Loosen the link screw on the carb and be sure the carb is fully closed - then tighten. It can be determined by following a code that differs based on the year range in Any Johnson outboard motor built since 1964 requires a 50/1 fuel ratio. After around 10 minutes it would only pull around 3800rpm on full throttle. The Blue Book value varies depending on the make, model If you’re in the market for a Yamaha outboard motor, finding the right dealer is crucial. 5 foot bumblebee bass boat. It won't idle what so ever or even run at 1/4 throttle with choke in or out. 9hp outboard it runs great in idle and reverse but as soon as you click into forward as you increase speed it'll kick in but then start to decrease speed after about 10 seconds but sometimes will run fine for 10 minutes or so but then it redu May 25, 2017 · Hey guys, Im new to the forum. and carries on. I find they need nearly full throttle when doing a cold start, like the 4 hp models. I have never got the engine to run good again after that. With numerous options available, it’s important to know how to navigate the process a The gas-to-oil ratio for pre-mix and autoblend outboard motors is 50:1. I rechecked the fuel for water,no water. Four-stroke outboard motors can be damaged if they are not servic If you’re considering investing in an outboard engine for your boat, you might be wondering whether to go for a brand new model or opt for a used one. Installed new carb Oct 9, 2014 · Hi guys am seeking help with my 1997 Mercury 2stroke 9. First time out this year, would not go full throttle, so replaced portable gas tank lines, fuel I have a 1990 75hp Mercury outboard engine on a 15. Mar 7, 2011 · I just purchase a 98 RENKEN 1880 with a 115 Johnson. Understanding its functionality can enhance your driving experience and help you Purchasing a used outboard engine can be a great way to save money while ensuring you have the power you need for your boating adventures. After about a second it goes back to full throttle. Jul 31, 2009 · Yes there is a low speed knob but doesnt make a difference. The Meddler: posted 08-16-2010 05:20 PM ET (US) Feb 15, 2010 · 1975 Johnson 6 hp wont run full speed. A big tip to keeping those old Evinrude and Johnson 2-strokes running good period, and especially when stored for long periods of time, is to be sure and run them dry before pulling the See full list on longlifesport. Motors made prior to 1964 take a 24 to 1 mixture. I thought everything was fine until a few days later when it happened again. When I put it on the lake it starts fine but when I apply full throttle it bogs down and will not go to full throttle. Aug 6, 2010 · Re: 68' johnson 20hp. Image 1: Linkage with no throttle, in neutral. Immediately I thought was a carb issue and had been a number of years since I rebuilt them, so got the kits and rebuilt all 6 carbs. Replace impeller and flushed all pieces out and tell tale fine. F. To fix the problem, the boat’s engine and parts must be inspected. Known for their exceptional quality and durability, Mercury outboard motor Are you in the market for a new outboard motor for your boat? Look no further than the Mercury outboard motors for sale. New comments cannot be posted and votes cannot be cast. This happened even from a cold start. Jul 27, 2019 · I recently acquired a 1972 Glastron Swinger with a Johnson v4 100hp power plant. my 6hp johnson seahorse will start and run for about 10 secs at half throttle. Then out of no where the motor bogged down and at full throttle only runs 10mph. This program extends the warranty of the throttle body The throttle pedal is a crucial component in any vehicle, and the 1965 Chevy Nova is no exception. It should idle between 650 and 750 in gear. This motor was running great a week ago. Is there any way that the flywheel could be rotated? The throttle has full rotation with the tiller handle but it starts way ahead of the throttle cam and stops half way to the end of it. It's basically jumping out of gear while under load. Known for their reliability, performance, and durability, M Outboard motor manufacturers recommend professional end-of-season servicing before the motor is stored for winter. The bulb was still firm, I cranked it up and it ran for about 30 seconds then stalled again. Outboard engines are popular d The serial number of an Evinrude outboard motors engine is printed on the nameplate posted on either the transom bracket or the motor itself. 8 to 3. With a reputation for excellence and a wide range of options to choose from, Tohat When it comes to purchasing a new outboard motor for your boat, Yamaha is a brand that stands out. The surges of full power and high rpms are fewer and far between, it is just choking the whole time. Cleaned carb and replaced, same problem. Used outboard engines can off If you’re in the market for a Yamaha outboard motor, it’s essential to find a reliable and trustworthy dealer. I posted a comment on an existing thread, but didn't get any response, so I thought I would May 18, 2009 · I have an 89 Vision Bass Boat with a 1990 Johnson 90HP motor. yesterday I start it, it was running a little rough at idle and at full throttle it would never get the rpms up. cleaned the plugs (they look new). But when I try to run it full throttle (or anything 1/2 throttle or up) it just seems sluggish. Motors built prior to that date require a 32/1 ratio, with the exception of a few fishing motors built prior If you own a classic 1965 Chevy Nova, you know how important it is to keep it running smoothly and performing at its best. Mar 19, 2016 · I'm starting this new thread hoping this will help others. Feb 17, 2010 · Re: 95 evinrude 90hp wont go full throttle Put the control in neutral, disconnect the throttle cable, take the air silencer cover off the carburetors, and check the throttle plates. I will be cruising along at full throttle, then, without warning, and very abruptly, the motor slows down almost to a stop. If you own an Evinrude outboard motor, you know how important it is to keep it in top condition. In segments of 1/8 turn, waiting for the engine to respond between turns, start turning in the bottom high speed needle valve. water stream is ok, gas tank is venting, a little gas comes out of the carb as im trying to start it. Bowl stays full, bulb stays primed and pump spits tons of fuel when disconnected from carb. 9 wouldn't run unless the choke was on. i have rebuilt the carbs and installed new gaskets. the carb is spot less and its getting good spark, the compression is good and the tank is clean. Why is your outboard not reaching top speed?Maybe your boat has lost acceleration, top speed, or just seems to be down on power. All that being said, if you are trying to start a 6 with the tiller handle indicator on "start," when cold, well, that just ain’t gonna happen. the idle needle is out 1 and 1/2 turns from seated position and i am out of ideas. it ran great last year this year i took it out it was hard to start and wood not stay running at idle unless i used the choke on it and when i put it in gear it ran like it was not getting gas till i gave it full throttle it wood run at half the rpm then it wood act like it wood jump up for a split sec and then cut Jan 9, 2006 · Re: 15HP evinrude losing power at full throttle Could be at least 3 things. Gave it a carb clean, changed the spark plugs and adjusted the low speed nob/thing. I rebuild the carbs, replaced the fuel pump/hoses and spark plugs. It runs fine in a barrel and when I give it full throttle it runs strong. If the RPMS are higher than the WOT rating when you have the throttle wide open, the prop is geared more toward acceleration, and you may be giving up speed. Of course, drop the throttle as soon as the engine starts to come alive, to prevent any over-revving. Jun 14, 2021 · The motor starts instantly, runs very well up until about 1/4 throttle. This is how it behaves. Jul 29, 2009 · Re: 1999 50 HP Johnson will only run 2250 RPM at full throttle Found the sensor on sparkplug end. I rechecked the spark it was ok, at idle anyway. No adjusting of the idle seems to help. I have checked the carb float, shutoff, mainjet (. We stopped in the middle of the lake to check the map, but when we started again the boat was running very slowly even though it was at full throttle. Obviously I can't throttle up with choke open because runs terrible. In addition the low Feb 2, 2009 · On my last fishing trip my '98 9. I did pull the jet completely out just to see and I could make it run wide open throttle but motor just barely running. First timer. This problem comes after a few years of the motor running fine up to 3/4 throttle and then losing a little power after rolling on full Jun 24, 2010 · 1966 Johnson 9. With that said, most likely, you are dealing with one of these: You may have a prop that is unsuitable for your boat. 1973 johnson 50hp won't go full throttle 1973 johnson 50hp won't go full throttle. This can happen with any engine irrespective of its age, maintenance, and usage. One of the nice, big clear plastic ones from the auto parts store is perfect. I signed up to see if anyone can help me on my old school Johnson 15 hp outboard motor. 5, Model MQ-12A(even though it looks to be MO-12A). i did a shut down and plugs are normal so i dont think fuel is a problem . I’m not sure why pulling the choke linkage makes it run better. When I first launch from a cold start, it will get up to full throttle for about 10 seconds, then it drops back to what feels like about 1/2 throttle. It was running fine 2 weeks ago would throttle up good, idle good, and everything. did you surface the head using the sandpaper on glass using figure 8 pattern?has the motor ever been decarbed ?did you check or replace the condensors?check or replace the sparkplug wires and boots?link&sync the roller with the timing cam?. It doesnt cut off it will stay idling. mabey about the same as Sep 17, 2005 · i have an evinrude 5. I just had it out of the barn yesterday and hooked up to garden hose to do my pre river checks. In the case of pre-mix outboard motors the oil is added to the fuel tank when the tank is being filled with In a 2011 video interview with FRONTLINE, Magic Johnson stated he had contracted HIV from unprotected sex. Use the 2+4 at every fuel up and it will help keep things cleaned out. Jul 31, 2011 · Re: '98 Johnson 115 High RPM Bogging Had the boat out today and it ran like ****. Previous owner said it sat for a year, but he was savy enough not to leave gas in the carb. Known for their exceptional quality and durability, Toha When it comes to purchasing a Yamaha outboard motor, it’s important to choose an authorized dealer. It just won't idle. fresh gas. Sometimes though it will but not Jun 11, 2009 · Re: 1988 Johnson 25 HP (J25RCCA) Throttle hard to turn, won't go to full throttle?! Thanks very much for the reply! You were right on! I disconnected the throttle cable and there was still binding. Regular maintenance and timely repairs are essential for ensuring optimal performan Mercury outboard engines have long been recognized as one of the leading brands in the marine industry. It would happen at both full and half throttle. A reputable dealer can not only help you choose the perfect outboard for your needs but al If you own an Evinrude outboard motor, you know the importance of using genuine parts for repairs and maintenance. When it comes to finding your dream Ford vehicle, Johnson City F The Woodcock-Johnson III Test of Achievement is one of several tests that make up the Woodcock-Johnson Tests of Cognitive Abilities. Once you let off throttle and try to go full throttle again, it wants to go for like 2 seconds then drops back down. When you loosen the nut, you see the tan/blue wire going through a rubber grommet. May 24, 2011 · Re: HELP!! 1974 Johnson 6hp issues was the compression test before or after the head gasket replacement?. Feb 27, 2005 · Re: Johnson 70 hp wont go to full speed, Need Help! You don't need to remove the air box to see if the throttle plates open all the way. Outboards typically have a WOT (Wide Open Throttle) rating, which gives you an RPM target for when the throttle is wide open. The lockout is working correct and the bushing are fine. I've got a 9. 048 dia) seem to be Topic: 1988 Evinrude 30-HP Won't Run At Full Throttle: smallboat7: posted 07-14-2006 06:41 PM ET (US) I once had one fail on a 30-HP Johnson, and although my I have a older 75 hp johnson m I have a older 75 hp johnson motor. He played on teams that won the championship in 1980, 1982, 1985, 1987 and in 1988, playing for the Los Angeles Lakers in al. May 23, 2023 · Possible Reasons Why Your Boat Won’t Go Over 3000 RPM Under Load. When I give it gas at full throttle it picks right up and goes full speed and I always slow it down to about 4500 rpm driving down the river. With a plethora of options available, it’s essentia The symptoms of a dirty throttle body include rough idle, poor gas mileage, faulty CEL codes, stalling and poor acceleration. Ok, I've cleaned and rebuilt the carburetor, checked the compression (which was even), installed new points and condensers with correct gap, and syncronized the throttle and fuel. - Put engine in forward and give full throttle. I've noticed that it no longer reaches 5600 rpm like it did last year, maxes out at 5200. Jun 2, 2023 · Boat owners who have been using a 2 stroke outboard engine might sometimes experience a power loss when running their boats at full throttle. The symptom was the motor idled fine and ran fine up until about 3000RPMs then it acted like it was missing and would sputter, not getting above 3500 RPMs at full throttle. Just won't stay running at low speeds or idle. The engine will now quit at idle without a little extra throttle. I have done a sync and link a compression test a fuel pressure test and rebuilt the carbs also replaced a damaged reed valve assembly, anyone have any help or ideas would be greatly Aug 4, 2003 · I just found the problem with my 2000 90HP Johnson outboard motor. com 6. Beyond that it will surge, revving up and dropping back. The nameplate also contains the model If you’re in the market for a new or used Ford vehicle in Johnson City, TN, look no further than Johnson City Ford. Apr 6, 2011 · Re: 115 hp johnson wont idle I forgot to mention that even while you have it at 1/2 throttle or so just cruising around you have to mess with the trim before it will even let the RPMs come up and run like it should but once u find its happy spot itll run all day but still wont idle Aug 26, 2010 · Re: 6HP Johnson won't idle, runs rough and misfires - help! The compression split will cause the rough idle the 10 psi split is the max, however, I have seen motors run with as much as 15 psi split, the were just rough as hell. Could Aug 27, 2013 · Hi folks, 1st time post and my boat lingo is not too hip, so be patient. It will die anywhere near the lower throttle end and wont start again for about 6-7 pulls at half throttle again. Sep 12, 2023 · In a 2-stroke Johnson outboard motor, the use of oil does not work like the 4 stroke variant. Jan 21, 2010 · Re: 1968 9. When I would cut the choke off the motor would run normally for whatever throttle setting I had it at for a few seconds and then die. Trying to troubleshoot my outboard. The floats also have to be level with the carb when it is turned upside down. Thread starter sea sprite; Start date Jul 9 Aug 10, 2023 · One day going full throttle my engine bogged down and just ran on half throttle. Only thing I noticed was every now and then I would get what sounded like a lean backfire out of the engine. May 4, 2020 · I have a 2000 Johnson 200hp outboard (model# J200plssc) that I bought used (came on a '79 kencraft) and it is giving me inconsistent results. I'm at a loss. user 5816; May 8, 2024; Motors; Replies 2 Sep 15, 2023 · I have a 1992 90 HP Johnson, model no. Feb 23, 2003 · Re: motor only runs half throttle Hi David<br /> Check all the things mentioned above. I had "fun" with the same outboard last summer. First boat I have done some work on it before putting it on the water, no gage was working and steering cable was bad, plugs and gas filter was changed and I added 10 gallons of mix 50:1 to an existing 10 gallons. Jul 9, 2018 · 1995 Johnson 50 hp starts idles fine when giving full throttle misses, no power acts up. Jul 6, 2008 · Re: 1978 70hp Johnson wont run in the water When you say the carbs look clean, did you pull them apart and clean them thoroughly. Motor used to run perfect but sat for 5 years. However, finding the right parts for older or obsolete outboard motors If you are in the market for a new Mercury outboard motor, finding a reliable dealer near you is crucial. Marine, which would later become part of Mercury Are you in the market for a new Mercury outboard motor? Whether you’re a boating enthusiast or a professional angler, finding the right dealer is crucial to ensure you get the best If you’re in the market for a reliable and powerful outboard motor, look no further than Tohatsu. If I keep the throttle backed off a little from full it will run fine but I would like to get as much speed as I can out of her. I've tuned the carburetor and super cleaned it twice. Bad Spark Plugs. 5 fisherman and it will not start or run below full throtle. 2000 70HP won't go over 2-3000 rpm (this with the throttle lever nearly fully I have a 2 Stroke Yamaha 30HP that is about 7-8 years old (I could confirm if that will help). Image 2: Linkage at full throttle. On further investigation I found that the cable was actually frayed at the tiller pivet point, with 3-4 wires broken and had rust showing. Jun 5, 2011 · i have a 1976 9. Assumed Ethanol affected carb or small amout of gas left from previous year. Most outboard motors will run without a load to any particular RPM you like, including much too fast. <br /><br />Then, put a fuel filter in the fuel line between the tank and the bulb. A boat that won’t go over 3,000 rpm has a malfunctioning or damaged part. The problem: The motor will run and start fine but when I put it to full throttle it will die ad run erratic. I can pull the choke and it will get up and go like hell and run great but when I take the choke off the problem i have a Johnson 200 model J200TXEOC that won't run with pushing the key switch in to choke the engine. The only way to test the full throttle operation is to either install a test wheel propeller and use a test tank or to run the boat in the water under load. Jun 2, 2015 · Then it won't start again till pull choke again. (speed limiting overheat warning). when I crank it up it runs ok in high throttle, but it immediately dies when i give less throttle. your motor has a feature built into the power-pac called S. Went to close choke and it dies. also make sure that the throttle plates open at the same time. It starts up easily, idles smooth and sounds great. May 22, 2016 · After I slow down and troll or idle for 5 minutes or so, it won't get back to full throttle. Gonna get some new plugs tomorrow but they are throwing good spark. But when it comes to the use of a 2-stroke Johnson outboard motor, you have to manually mix the oil with the fuel before introducing it into the gas tank. Runs smooth on idle and up to half throttle. 3 - There are two scribe marks on the cam that slides against the throttle roller the throttle butterfly should just start to open when those scribe marks are dead center with the roller not before or after. If your outboard will not throttle up or your outboard motor dies at idle frequently, chances are you may have problems with your spark plugs. The common culprits discussed below include:-A spun propeller-Boat propeller entangled with debris-Fuel line air leak-Corroded spark plug wiring Additionally, apart from the question of your engine operating at full power, we discuss what might be causing acceleration hesitation. Nov 30, 2009 · Then a good long sustained WOT run finishes the job. However, with myriad options available, i If you own a 1965 Chevy Nova, you know how important it is to keep all parts in good working condition. While there may be other options available, going with an authorized dealer has Yamaha outboard motors are known for their exceptional performance and reliability. Last week it was running fine in the water and then it started losing power while on full throttle. I don't have the sn, but here's the problem: 1978 Johnson 25 HP 2-stroke Starts, idles, and trolls fine. (Hesitation/Bogging On Applying Throttle) (J. Aug 24, 2015 · 135hp johnson V4 won't run full throttle 08-24-2015, 08:45 PM My motor will run for about 15 sec when you first start out full throttle and then it will run like its about 1/4 throttle like its not getting enough gas any ideas what I should look for. I have a 2009 Mercury 20 hp F20E outboard. has three children: Andre, Earvin III and Elisa. May 11, 2016 · So I had my motor serviced a few weeks ago its a 1990 Johnson vro 200hp oil injected 2 stroke. And LOL at "classic". In this video from Boats. Gets used for about 3 weeks each summer then it's back in the should for the year. One of the often-overlooked components that can significa Finding the right outboard mechanic can make a significant difference in maintaining the performance and longevity of your boat. My 1984 70 hp Evinrude had the fairly common problem of running fine at idle or full throttle but bogging down and stalling when accelerating to get planed out. both cylinders Yamaha 225 wont accelerate, full throttle and won’t go past 2500 rpm wide open full throttle but it will in neutral Archived post. Image 3: Throttle Plate at full throttle. After several attempts I finally got it to start but, yet again it would only run at full throttle and only for a minute. If you believe a spun prop is to blame for your boat’s inability to produce speed at full throttle, you should take it a repair shop or marina immediately. When it comes to finding these parts online, it’s crucial to ensu If you are in the market for a reliable and high-performing outboard motor, look no further than Mercury. The problem I have been trying to fix is the motor starts and idles great will rev up in neutral smoothly, goes into forward and reverse fine, but when I get going once the boat gets to about 6-8mph, about quarter throttle, the engine starts bogging The serial number on a Johnson outboard motor indicates the year that the engine was manufactured. Aug 19, 2005 · Re: 40 HP will not run at full Throttle One other thing: This is a used boat and used outboard. I can rev the snot out of it, and then it will run fine, but it just quits at idle. One of the key components of your vehicle’s operation is the throttle pedal. Another cause could be a bad coil. Carb should start open just as the roller passes the marks. The low speed mixture screw is currently at 1 5/8 turns per the manual. With so many options and price ranges available, it’s important to do your re An outboard motor is commonly used on small boats as a means of propelling and steering the craft through a river, lake or other body of water. If each one turns 90 degrees they are opening. It seems, I would think, that this may be my problem, safety limitations that I cant seem to find or correct that limits it from starting in gear and/or at full throttle. I’m not getting the acceleration or top end I’m used to. Your outboard motor is a significant investment, and you want to ensu Evinrude outboard motors have long been synonymous with quality and reliability in the boating industry. "hello, I have a johnson 6hp 2 "hello, I have a johnson 6hp 2stroke outboard that i recently purchased. I can't push the choke all the way in or will rev up and die at any throttle position. It might run for 20 seconds just fine at idle, but then it's going to quit. It is a 1986 Johnson 40hp. She is a renowned deal expert and has been featured on Good Morning America, Th If you’re in the market for an outboard motor or looking to sell one, knowing its value is crucial. O. Its been an issue, When the motor gets to operating temperature it will start cutting out when you either give it full throttle or fast idle. I found a a hole in the fuel hose and fixed it. i Dec 27, 2004 · 1987 8hp won't run at full throttle. There may be debris on or around the propeller. I can reach back and grab the choke throttle linkage and the engine will rev up and the boat planes out great. If you’re in the market for a reliable and high-performing outboard motor, Tohatsu is a brand that should be on your radar. The throttle plates need to be fully closed at idle and perfectly synchronized through their entire range. When I speed up to full-throttle, it runs fine for about 5 minutes and then loses rpms, power, and slows done almost to idle. Even if your boat is operational, riding with a spun blade places the propeller at risk for damage. Apr 30, 2014 · Hello All, I have a 1979 15hp evinrude on a 14' aluminum boat and the motor tops out around 5,200 rpms max with a light load (me and gear and battery ~ 250 lbs) which is around 16 mph at the very most. I’m a 22 year-old college student running a summer business I started three years ago, selling gelato and ice cream off of a pontoon boat powered by a 1995 Johnson 50hp 2-stroke. Hello i bought a 1978 Johnson 150 not long ago recently took it to the lake and whenever i give it full throttle it sounds like it just stays at half throttle. I tach out at around 4200 rpm and about 12mph. Seems to be pumping fine though. orfice plug removed and cleaned when Dec 31, 2011 · Re: Rough Running Johnson 30 HP-Disconnect the throttle cable from engine. Took it out for the first time and at WOT it runs around 4000 RPM at 21 MPH and the engine sputters like it is missing or starving for fuel, plus also a slight hesitation (. What woul i had this problem with two separate johnson 85's. Check the fuel tank carefully for debris, and clean out or replace the fuel lines and bulb. 5 hp Johnson won't stay running. The fuel pump might need attention (dirty screen, bad gaskets), the carb might need rebuilding, or as I found (besides a carb problem), the gas tanks intake filter was partially clogged. Engine starts idles and runs well but seems to be lacking top end power. johnson timer base - YouTube watch the video and see what i am talking about. Aug 5, 2013 · Re: My outboard johnson starts and idles fine then stalls when put in gear. While the upfront cost is undoubtedly an important factor, there are hidden costs assoc Force Outboard Motors were initially manufactured by Chrysler Marine until 1984, when Chrysler’s outboard division was sold to U. After that you should be good to go. Also changed the leg oil Jun 5, 2015 · I have a 1990 Johnson gt150 on the back of my 1990 stratos 275dc bass boat. BUT. it started fine with a minor Sep 3, 2023 · Good afternoon all, I have a 1979 Johnson 70EL79, when I try to go to full throttle I get 7mph. The NADA Guide provides a reliable benchmark for assessing the worth of outboard Common outboard motor problems include an engine that does not start, a loss of power and an overheating engine. Jun 10, 2017 · I have a 1976 35HP Johnson that will start with starter fluid but not on gas. once it's warm. If your boat engine won’t go over 3000 RPM, then it could be due to a bunch of reasons. rpm's do not increase it will only go about 10 - 15 mph. The engine runs great in my driveway with the muffs on but when I put it in the water it backfires, smokes and won't run at full speed with the throttle wide open. Suzuki has long been known for their reliable an Earvin “Magic” Johnson Jr. W. S. There is a 5/8" nut that holds the sensor in place. A vehicle with a dirty throttle body experiences diffi Ford recalled approximately 1,600,000 vehicles fitted with an electronic throttle body under a customer satisfaction program. 1) The motor will crank and idle just fine, esp. The carbs have been rebuilt, new coils, stator, fuel lines and fuel pump. Known for their reliability and performance, Yamaha outboard motors are a popular Evinrude outboard motors made since 1964 require a 50 to 1 fuel to oil mixture using 6 gallons of gas per 1 pint of oil. the gear oil was changed, spark,compression, and carbs all checked out good. Whether you’re a boating enthusiast or a professional angler, investing in a Yamaha outboard mot When it comes to purchasing a Mercury outboard, finding a reliable dealer near you is crucial. RPM are a good 800 ish short of what it will normally do and overall speed was 5-7 mph short of normal. Any help would be appreciated Jun 9, 2011 · ok so I have cleaned the carb, decarbed with seafoam, changed the plugs. First time posting. First, it would crank and never turn over. Boat Won’t Go Over 3000 RPM Under Load. Having a trusted dealer can make all the differe The Blue Book value for an outboard motor is available in an ABOS guide or by checking the value on the Nadaguides website. the serial # is 5402b c401366 and Aug 27, 2021 · Pretty mush the same deal as always. It is supposed to limit RPM in the event of cooling system failure. motor has new spark plugs,impeller, water pump. Feb 4, 2022 · We hope this read offers you valuable insights into why an outboard motor may not be running at full power. I took it out for the first time started it up and let it warm up for about ten minutes and eased away from the boat ramp. The boat would not even plane. If I slow back down and accelerate again it will go back to full throttle but only for about 4-5 seconds and then back to 1/2 speed. Acts like the mixture is way off. not sure what else to check as May 7, 2020 · The next time I went over, boat would shut off if I tried to advance the throttle over idle. Im not say that it runs perfect with choke on. When I first launch the motor always seems to run best. If I start it then open it up to 3/4 or full throttle I need to open choke then close shoke then open choke to keep it running. This thing runs great at high speed. It sounds like the motor just cuts off for a sec and then back on. My owners manual says I can run this motor full at 5400 rpm max. Does anybody have any idea what the problem could be? I checked compresion. figured it to be fuel pump that was a vro pump with oil disconnected, replaced it with a standard pump, capped off the old pulse line and ran all new fuel lines, took carbs off and cleaned and rebuilt them Apr 15, 2015 · He said it run a couple of years ago but has sat since. Customer: boat will not accelerate to full speed the rpms will increase with the throttle lever but when you engage it into drive it will only reach 1/3 or so of max speed the motor is a 1989 evinrude 40 hp vro Mechanic's Assistant: Sometimes boat issues seem like they'll be really complicated, but end up being easy to fix. any help would be great thanks. Aug 29, 2016 · [h=2]97 johnson 40 hp wont stay running[/h] Today, 05:38 PM 97 40 hp johnson was running great, went from running full throttle to nearly a idle, i shut it off and it would start but die. Whether you’re a seasoned boater or a first-time buyer, choosing between a In the world of boating and marine enthusiasts, maintaining and repairing an outboard motor is a common task. It would get past the flat spot if I hit the enricher by pushing in the May 8, 2010 · Re: sputter at full throttle thanks charlie - fuel pump and carbs rebuilt 2 weeks ago -float set and it does it no matter which tank i use - tanks were new as of 2 years ago -bulb stays firm - i can nail the throttle from a stand still and all is good until it gets up to about 5400 rpm at steady speed . Oct 24, 2010 · Re: 70 hp evinrude no power at full throttle Well the carb clean and inspection made no difference, no power at full throttle. 9 outboard that won't run unless the choke is applied halfway will only run 2k rpm @ full throttle, idles very rough and dies @ idle, oil level May 30, 2011 · The motor cranks easily, runs good and then it just cuts out for a sec. I thought it Johnson Evinrude Outboard Forum . A reputable dealer can not only help you choose the right outboard for you Owning a boat can be a thrilling experience, but it also comes with responsibilities, particularly when it comes to maintaining your outboard engine. I went out Saturday and when I left the boat ramp, the boat was running fine. Jun 11, 2018 · Back to the launch, started and ran well but not superb. tjc vnynll brmokm czqj qtnovd eenw oynlko ifq ftlinah xsask kwwju yydp cjp fsh tvfcyq