Yamaha WaveRunner FZ R - Recent Questions, Troubleshooting & Support - Page 5

I agree , you need to clean the carb and run high test gas. Check the fuel filters and the diafram pump. They wear

Send problm to [email protected]. hes an xpert

get it from a yamaha dealer spares

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

Black plugs indicate carbon build up. Try starting with ether sprayed into carburetor. If it fires, clean fuel system with spray and additive. Use the fuel engine was designed for.

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.