20 Most Recent 2005 Yamaha yZ 85 Questions & Answers

Yz 85 oil height and where I meshure from

Try changing spark plugs does it fire? If yes fire it up if no check wires to coil or change your coil, does it fire then?

Standard oil level: 90 mm (3.54 in) Extent of adjustment: 80 ~ 120 mm (3.15 ~ 4.72 in) From top of outer tube with inner tube and damper rod fully compressed without spring. CAUTION: Adjust the oil level in 5 mm (0.2 in) incre- ments or decrements. Too low oil level causes the front fork to produce a noise at full rebound or the rider to feel some pres- sure on his hands or body. Alternatively, too high oil level will develop unexpectedly early oil lock with the consequent shorter front fork travel and deteriorated perfor- mance an characteristics. Therefore, adjust the front fork within the specified range.

water in oil generally means head gasket gone. cylinder pressure will leak into water system causing other gaskets to go, 2 stroke head gasket is not to hard a job

The Yamaha manual says that each bike was individually tuned at the factory, and gives no spec. A good rule of thumb is between 1-3 turns out. If it wants to run at less than 1 turn out, change the pilot jet to the next size down and readjust. If it wants to run at more than 3 turns, go up one size on the pilot jet and readjust. Good luck!

There are a few things that can make it bogg First how does your spark plug look should be a brown color not black, that is foweled if it is replace it if that is bad. The iddle screw only sets the iddle nothing else. your air screw should be between 3/4 -1 1/2 turns out from bottoming out the screw