20 Most Recent Yamaha Waverunner Xl 800 / Xlt 1200 Jet Ski Pwc Cover - Page 6 Questions & Answers

problem ignition switch or ignition relay

What year? Newer are 50:1

Download a repair manual from MarineEngine.com

yamaha like all engine manufacturers are controlled by the EPA in the countries they are sold In most countries the use by date has been established and 2018 is the end date that they can be sold with the start date being as early as 2015 So to comply with EPA requirements, yamaha would be allowed to sell off existing stock but the retail section ( local dealers ) would be restricted form selling them in certain countries So to answer your question No yamaha would not be making 2 strokes after 2015 as they could not sell them so any you see would be existing stock in dealers being sold off

Check your coil and spark plugs.

It means your engine's cylinder volume from the piston being at bottom dead center to top dead center divided by it's compression volume (the volume in just the cylinder head with the piston at TDC) equals 6.8, which is a very low compression ratio.It is not a measure of PSI. It's the ratio of how much the gas/air mixture is compressed before ignition.The engine is taking 6.8 units and compressing it into 1 unit before ignition - a ratio of 6.8 to 1.

even though your steering is hydraulic there still is a steering rod that travels through a steering cylinder. make sure this rod is well lubricated. there are usually grease fittings on this cylinder also spray rod liberally with wd-40,make sure steering reservoir is full

Yamaha Trim Seal Repair Rebuild try youtube video.

Stuck pressure valvein the trim pump. Not that easy to repair if you have no skills and Tools for that kind of work. Maybe it's better to take your boat to an experienced mecanic.

That can be a lot of things... First off all, disconnect the wire plug to the remote control. Crank the engine manually ( battery positive on the startermotor post ). If now you have sparks, then the fault is in your remote control. If still no sparks, you'll have trouble in the CDI, pulser coils or generator coils.

Is there a hose type outfit that acts as a cooler. My engine a Classic 50 I had to replace a cooler because it was plugged and would not work right. The rubber hose over heated and collapsed. Also check the water pump and see if the impeller is working. This should be repaired before you have a major repair job.

http://www.yamaha-motor.com/assets/service/manuals/1/LIT-18626-07-95_6E5-101496-Current_1792.pdf