Yamaha 4 stroke outboard problems

Corrosion Due To Saltwater. I could not be happier with either one of these motors.

Im having issue with my twin 2006 Yamaha 150 4 strokes.

Yamaha 4 stroke outboard problems. It has been alleged that the companys first-generation F-Series four-stroke outboard motors model years 2000 2005 contain a serious defect that allows the exhaust passages to corrode and pit severely ultimately resulting in. When its completely charged reinstall the battery and cables. Remember to connect the positive first and the negative second.

Once thats done you can try the Yamaha outboards starter again. If its still not starting youll want to consult a professional to inspect the electrical system. This new design had some initial faults but the Yamaha F150 outboards produced after 2005 are often considered one of the most reliable four-stroke outboards ever produced Cons.

Failure Issues With The Harmonic Balancer HB. Corrosion Due To Saltwater. Yamaha Four-Stroke Outboard Motor Corrosion Defect Complaint October 21 2015 The complaint for this lawsuit alleges that Yamaha Motor Corporation USAYamaha fraudulently sold a line of four stroke outboard motors after it became aware that the engine design had a safety defect that caused component parts to prematurely corrode in violation of California.

The Yamaha outboard forum marine engines will help you find answers to Yamaha outboard problems 4 stroke Yamaha outboard problems 4 stroke Yamaha 40 hp 4 stroke problems Yamaha 200 outboard problems Yamaha 4 stroke outboard problems Yamaha 50 hp 4 stroke problems Yamaha 60 hp 4 stroke problems and Yamaha 70 hp 2 stroke problems plus a lot. A problem in the fuel compression or ignition systems can cause poor starting loss of power or other problems. This basic troubleshooting and possible remedies and covers all Yamaha outboard motors.

Therefore some items may not apply to your model. If any more questions please consult your Yamaha dealer or the experienced service shops. I had a 08 75 Yamaha until I got T-boned last spring on the opener.

I now have a 09 90hp Yamaha. The 90 75 are the same basic motor and they both run top notch. I could not be happier with either one of these motors.

Quiet smooth 4 stroke VTS tiller handle. Nothing but good to say about them. Just love the motors.

Remove Petrol Tank Vent Blockage. Disconnect the vent hose from the fuel pump. Blow on one end to see the air coming out the other.

If not then there is a blockage. Clean the blockage by removing any kinks. Crankshaft Thrust Bearing Failure.

Honda 4-strokes seem to have real troubles with crankshaft bearing. My starboard 225 HP yamaha outboard motor 4 stroke is running roughly. It barely runs at idle and knocks about every 4-6 seconds.

I also noticed that there are a lot of large air bubbles coming fro. Considering Yamaha their four stroke engines are performance beasts. There is no denying the fact that when it comes to performance engines of other bands will have a tough time to fight head to head with Yamaha.

Four-stroke engines from Yamaha can handle big waves consistently while giving you a stable boating experience. I have a rib with a 2004 50hp 4 stroke Yamaha that had been sat in a river with less than 20 hours use and as far as I can make out had never been opened up as the river has a 8 knot speed limit. I had a full service a couple of weeks ago and took it out yesterday I was having a problem with.

10-20-2019 0529 PM. Im having issue with my twin 2006 Yamaha 150 4 strokes. My swivel tubes on both motors seemed to have hardened grease from previous owner not using the correct grease or not maintaining properly.

I cant seem to get grease out of the top bushings. Im going to post some photos of what is going on. If you own a Yamaha 25hp 4 stroke you may experiencing acceleration issues and this is a factory defect.

To solve the issue you must replace the jets. The thermostats have to be removed. Other brands and models may have different inspection requirements.

There is no xray procedure that I am aware of which can be used on a Yamaha outboard motor to see internal corrosion. Troubleshooting Outboard Fuel Lines When youre checking the fuel filters give the fuel pumps inlet and outlet fuel lines a close inspection too. If you see any leaks or there are worn or damaged fuel pipes you should replace them immediately.

Yamaha 2005 150 hp 4 stroke problems. To drain the VST there is also a schrader valve on top with a little rubber plug you remove to get at. Once you open the drain screw on the bottom of the VST pushing in the pin on the schrader will allow air into the VST and thus let the gas drain out otherwise vacuum will hold gas in the VST bowl.

Yamaha 4-Stroke 8090100 HP hello dude I would keep what ya have. Paint over all the engine decals and make them prove otherwise. Thje enigines are phyisically the same diminsions.

So use paint and roll. Both dealers gave ya a line of BS according to what you wrote. Props dont make horsepower they make thrust.

Gas and air ignited in a cylinder. If its a fuel problem rebuild the carb replace the fuel filter replace the fuel line replace the fuel tank replace the fuel pump. Then lets replace the.

I have a yamaha 115 hp 2 stroke outboard 115TRC. Loses power at 3200 RPM. Just had 200 hour maintentance done in Apr 2008.

No problems until today wont get above 3200 RPM but itll surge every. Yamaha 115 4 stroke issues 2002 Model Posted. On 5216 at 318 pm.

Currently having issues with my outboard. The motor runs fine unless I try to give it full throttle. Then it seems to be starved for fuel.

I replaced the fuel filter fuel water separator and the spark plugs and it ran fine. This is particularly important because the engine does have one design issue which can lead to flywheel failure if its run at between 3500 and 4200 rpm for extended periods. This usually isnt an issue since the average boater cruises at closer to 4500 rpm but the ECU monitors rpm over the long haul to make sure problems can be caught prior to any failures.

Diagnose and repair a failed fuel pump. This motor was running poorly and stalling repeatedly. The first problem was that the motor would stall and the own.