What is wrong with the Yamaha GP800 WaveRunner?
Probably the biggest problem with the Yamaha GP800 is the porpoising. Porpoising is when the WaveRunner continuously bounces up and down in porpoise-like movements.
How do you change the oil in a WaveRunner?
How to Change Oil In a WaveRunner To change oil in a WaveRunner properly, you should set it in a horizontal position first. Then warm up the engine, shut it down and wait around 4-5 minutes for the oil to drain back. Remove the oil fill cap and the dipstick and pump out as much used oil as you can with an oil extractor.
Why is my WaveRunner smoking?
Though an overfilled oil tank is the most common reason for your Waverunner to be smoking, there are a number of other potential culprits. Some other reasons your Waverunner could be smoking include bad gas, problems with the fuel injector, fogging oil from winterization (as I recommend in that post) or a failed head gasket.
What kind of fuel does a WaveRunner use?
Problems with the Fuel Injector Because your Waverunner operates on a mix of gasoline and motor oil, many models will feature an injector system that pulls from a gas tank and an oil tank to create the correct ratio of mix.
Is the Yamaha GP800 a good ski?
The GP800 rated horsepower claims from Yamaha are optimistic, (if not delusional…) The 1200 of the same era is a non power valve, and it has a good history for reliability. I own all three (760,800 and 1200), and the 1200 is a different ski – SO much more fun to ride than the other two.
Is the Yamaha gp760 the same as the gp1200?
Yamaha GP760 & GP800 Top Speed and Performance Aside from the GP760, the other GP models also don’t fail when it comes to performance. As we’ve already discussed, the 760 was released with the same hull as the GP1200. The main difference was that the GP760’s engine is a 745cc, 2-cylider, 2-stoke power plant.
How to fix porpoising on the Yamaha GP800 and gp760?
Because of this, many owners equipped their crafts with trim tabs, which usually made a huge difference. Beyond trim tabs, aftermarket intake grates, ride plates, and sponsons may also help to eliminate porpoising on the Yamaha GP800 and GP760.