Boat: Island Packet 38. Posts: 31,351. Re: 15 hp Mercury 2 stroke won't run. A way usually to confirm a faulty fuel pump is to pump the bulb, if it runs fine as long as the bulb is kept tight, that is a good indication of a faulty pump Sent from my iPad using Cruisers Sailing Forum. 15-10-2015, 05:31.It just sort of bogged down and died. I start it back up and it dies within 5-10 seconds each of the 10,000 times I get it started. I tried starting it and revving it up and it …One problem that many boat owners come across is the outboard motor stalling while at idle. Here are 9 common reasons why an outboard dies at idle: Carburetor issues. Idle settings not configured. Water in the fuel supply. Clogged fuel tank vent. Malfunctioning idle air control valve. Fuel system issues. Faulty spark plugs.Boat runs fine for 5 to 10 minutes. Then it stalls and won't restart. If I wait about 20 minutes it will start and run for less than a minute and stop. Has brand new battery. I put on a new coil. Has brand new spark plugs. After it dies it won't even crank (sounds like the battery is dead). It is a 1987 Baliner Capri.Re: outboard stalls when advancing throttle past idle speed. Hi Jefferson,<br />Most outboard carbs have intermediat fuel openings that are located just in front of the throttle plates. The purpose of these is to act similar to the accelerator pump found on 4 stroke carbs. They are supposed to help eliminate the dead spot from idle to advance ...2007 Mercury 90 2 stroke carb'd. Rebuilt the carbs, new plugs, new filter all around 100 hours or so ago. Maybe a little less. Been running great. I changed the fuel line a couple weeks ago and I've had it out on the water probably 3x since then and it's been good. No different.Jul 14, 2012 · Jul 14, 2012. #4. Re: outboard starts, goes WOT, then dies, and wont restart. and let me clarify a little. when i start it with the choke on and throttle 1/4 past start it fires and the engine goes (not the throttle) WOT. of course the choke will not let it open up all the way, so it boggs at a certain point. open the choke and it races full ...Active member. My Tohatsu 3.5 2 stroke outboard has developed a problem this weekend. It will start first pull and will then run for a few minutes and then dies. after perhaps 5 or 6 pulls it will start again and runs for a further few minutes and dies again. This will repeat a number of times and then will run ok untill I get to where I am going.06-30-2010, 02:49 PM. 2000 115 2 stroke wont idle. Hello, I am having the same problem with my 2000 Yamaha 115 2 Stroke. I can not get the engine to Idle. I have; 1) Replaced the oil water seperator. 2) Replaced the fuel filter. 3) Replaced the fuel pump.In this article, I will discuss the common problems and the solutions for Honda’s 4-stroke outboards. A Quick Overview to Boat Gas Tank Vent Issues and The Reasons Behind Them: Problems. Reasons. Engine Dies Out. Jammed Carbeurator.Clogged Fuel Filter.Gunk in Idle Jets.Petrol Tank Vent Blockage. …2002 90 HP Mercury Outboard, starts and then stalls almost immediately. Stalling happens in idle and with throttle, - Answered by a verified Marine Mechanic ... I have a 90 hp 2 stroke mercury outboard engine. It bogs down about 2-5 minutes of running. ... Run at no wake speed to open water. Throttle up to 3 to 4500 RPM's …Mar 6, 2017 · I have just purchased a second hand 2003 2 Stroke Johnson 8hp outboard. Perfect condition, clean almost new (looking) When cold it starts and runs fine. When hot it will not idle and just cuts out. It is then impossible to restart it until it has cooled down to cold! Today (we are in spain) we ran it for 5 minutes at full throttle, it was not ...jeremy fountainthemowermedic1mail and business inquires [email protected]://www.youtube.com/themowermedic1https://www.facebook.com/themowermed...Here are 9 common reasons why an outboard dies at idle: Carburetor issues. Idle settings not configured. Water in the fuel supply. Clogged fuel tank vent. Malfunctioning idle air control valve. Fuel system issues. Faulty spark plugs. Fuel injection issues. Damaged thermostat.In under two minutes, you could learn how to solve the problem for good! This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. The way you have your primer bulb mounted could be your issue—and even if it isn’t–this guy’s accent and deadpan delivery are worth watching! Boat Fuel Problem.It can be frustrating, especially when you're trying to enjoy a day of boating. An outboard motor dies when put in gear mainly because the cylinders are not firing. When you shift into gear, the engine RPMs drop; if the cylinders are faulty, the engine may not generate enough power to run. This can be due to clogged fuel filters, bad fuel pumps ...I have just purchased a second hand 2003 2 Stroke Johnson 8hp outboard. Perfect condition, clean almost new (looking) When cold it starts and runs fine. When hot it will not idle and just cuts out. It is then impossible to restart it until it has cooled down to cold! Today (we are in spain) we ran it for 5 minutes at full throttle, it was not ...If you’ve suddenly found yourself in the role of care-taking or supporting a loved one after a stroke, there are a few things you should know in order to best help them and also ta...Jun 23, 2011 · The motor starts in about 1/2 a turn, it runs perfectly at idle. It will shift into gear but bogs down when it is under a load. It will not get past 2000 rpm's. Here are the things ive done so far. 1. cleaned carbs with cleaner and air pressure. 2x's. made sure needle was falling when float comes down 2. Drained all old gas out, put in new gas ...Yamaha 40 HP 2 stroke - starts, idles shortly, then dies. I recently purchased a 15 foot whaler with a 40 hp 2 stroke Yamaha outboard. The previous owner had it regularly serviced and hadn’t shown an issues until today. I was out with a buddy today and it was running fine. I shut the boat off for an hour while we were out and about and when I ...A good prop dealer will recommend a starting point and will have you try a couple of props to find the best setup for your boat. Running at full throttle at a thousand revs too low could easily be the cause of overheating on this motor. The cooling water pump turns at the same speed as the powerhead and its flow rate depends on the motor speed.8,958. Apr 28, 2014. #9. Re: Engine only runs with choke on. No it doesn't. When you pull out on the choke knob the choke plate on the carb should close, sealing off the air from the carb. When you push the choke knob in, the choke plate in the carb should be wide open, allowing air into the carb.Then, if your engine is under 25HP, you may be able to use the emergency cord to pull-start. It’s possible to do this with up to a 50HP engine, but be aware that the higher the HP, the more difficult this will be. If this works, the battery is likely the issue. You may need to replace it. Reasons Your Mercury Outboard Still Isn’t WorkingTweet. #1. 2003 F115 hp 4 stroke problems after 15 minutes of running. 09-13-2020, 01:10 PM. My motor run great from idle to wot for about 10-15 minutes, then starts cutting out. Tach goes crazy up and down and engine really hesitates, and dies. Sometimes it starts back up, but I usually have to wait for 15 minutes for it to cool down, then it ...The reason your two-stroke 'loads up' is because not all of the gas gets burned through the cylinder, so it just sits in the crankcase. When you give it some throttle, the fuel/air ratio is too high, causing it to blubber and sputter until it clears out this excess fuel. When there's too much fuel going through the cylinder at the same ...Active member. My Tohatsu 3.5 2 stroke outboard has developed a problem this weekend. It will start first pull and will then run for a few minutes and then dies. after perhaps 5 or 6 pulls it will start again and runs for a further few minutes and dies again. This will repeat a number of times and then will run ok untill I get to where I am going.Yamaha & Suzuki Outboards . Yamaha 60hp Fuel problem ... Fine for a while then cut out and died as soon as I stop for the first time. Now it starts and runs for a few sconds then dies again.<br />all help much appeciated. Thanks . JB Honorary Moderator Emeritus. Joined Mar 25, 2001 Messages 45,907. Aug 28, 2005 #2 Re: …The most common cause of this issue can be attributed to incorrect spark plugs, so be sure to check that the right spark plugs are being used first. The other issue could be an incorrect gasoline/ two cycle outboard oil mixture. More serious issues are also plausible, for example, the choke or cold start enrichment circuit could be failing to ...When it's completely charged, reinstall the battery and cables (positive cable first, then negative). Now that you have a ... I have a 2014 Yamaha 250 4 stroke with 700 hrs. Runs great, except yesterday it shut off at 3600 RPM's while cruising. ... I have a 2017 Yamaha 150 4 stroke outboard. It was running about 2,000 rpm across the lake ...I have a 1994 or 95 150 hp Evinrude outboard that shuts off after about 10-15 minutes. It fires just fine when cold but after running a little bit it just completely shuts off, no sputtering or anything just dead. It will not restart for …Engine stalls when put into gear. Outboard stalls when accelerating. Outboard stalls at full throttle. Outboard stalls at idle. Before you begin to troubleshoot the motor, ensure there is no self-diagnostic code indication. Also, download the service manual for your exact model, you’ll need it. Turn the ignition switch “ON”.11. Jul 16, 2012. #6. Re: Motor Shuts Off While Running. Well it's back at it, I have a 2005 Mercury 60hp 2-stroke 3 cyl. outboard that cranks and runs fine at idle or low rpms but when I increase throttle and boat to plane it stalls and shuts off, then is very hard to crank, if it cranks at all. I have replaced all fuel filters, hoses, bulb ...Problem #1: Overheating. One of the most common problems with the Mercury 90HP 4-stroke outboard motor is overheating. This issue can be caused by a variety of factors, such as a blocked water intake, a damaged impeller, or a clogged cooling system. If your motor is overheating, you may notice a high-pitched alarm or a reduction in power.4. Jul 3, 2004. #1. This is a 1995 9.9 Evinrude. We replaced the Tank, fuel line, and the pump that pumps the gas from the tank to the motor. When I start it and start going, the fuel pressure is lost and the motor wants to die. If I don't pump up that pump going to the motor it dies. It got the point the other day when that method didn't help.We would like to show you a description here but the site won’t allow us.Jul 1, 2011. #2. Re: Mercury outboard dies at idle... Eduardo said: ...and also in forward gear at idle. This happens only after I run the motor at high speed. Then when I put it in neutral or forward gear in idle, it dies not right away but a few minutes later. The only way to start it is if I push the ignition switch to choke.Timing lights are necessary to adjust the firing time of the ignition for the proper combustion of fuel. Fuel burns at a constant rate depending on compression in the engine. As th...When it's completely charged, reinstall the battery and cables (positive cable first, then negative). Now that you have a ... I have a 2014 Yamaha 250 4 stroke with 700 hrs. Runs great, except yesterday it shut off at 3600 RPM's while cruising. ... I have a 2017 Yamaha 150 4 stroke outboard. It was running about 2,000 rpm across the lake ...Using new gas and new Quicksilver 2-stroke outboard oil with 50:1 mixture per manual. Played around with mixture screw (tightened screw to seat, and backed off 1 1/2 turns and more). Engine will start easy but runs for only 5-7 seconds or so. Opening and closing the choke and moving throttle seem to prolong the run a few seconds, but it still ...* VISUALLY EXPLAINEDWhen a chainsaw will only run on the choke position, it typically indicates an issue with the carburetor or fuel delivery system. The cho...A car engine uses a four-stroke cycle -- how can two strokes accomplish the same tasks? Learn all about the two-stroke engine, where it's used and how it compares to a four-stroke....If you’ve suddenly found yourself in the role of care-taking or supporting a loved one after a stroke, there are a few things you should know in order to best help them and also ta...28,765. Jun 19, 2013. #2. Re: Mercury Loss of Fuel Prime. Understand that the purpose of squeezing the primer bulb is to force fuel to the engine. Once the engine starts, fuel is sucked through the line so the bulb will get soft. That is not indicative of a problem unless the ball is sucked flat. That indicates there is an obstruction between ...This abnormal movement may indicate a bent, broken or altered propeller. Turn the motor off, pull the motor out of the water and visually inspect the propeller for damage. Suzuki outboards are produced by Suzuki Marine. They can range from 2.5 horsepower to 300 horsepower. Outboard motors are attached externally to the stern.This is one of the causes of engine stalling since the amount of fuel getting to the engine is only sufficient to run the engine on idle but cannot sustain a full throttle. Solution: Inspect the fuel filter for any obstruction. First, remove the filter and blow through it. In case of any blockage, you can clean out the filter or replace it with ...Apr 19, 2022 · Here is how to fix a 2 stroke outboard that keeps dying: Clean the carburetor and air filter. Check the spark plug and replace it if needed. Check the driveshaft, propeller shaft, and trim tab. Check the propeller and replace it if needed. Replace worn seals on the engine. Inspect the fuel lines. Inspect the water pump impeller.Faulty Impeller. Bad Spark Plugs. Malfunctioning Fuel Pump. 1. Tangled Propeller. If your outboard motor will not throttle up, the issue may be as simple as a tangle. Debris such as fishing line, excessive seaweed, beer can rings, or nearly any other material can wrap around the propeller and its spindle.