Questions & Answers for: exhaust valve ATVs

valve are making noise and need to be checked. 1st. change oil and filter.. use 10-40.. if that doesn't quiet them... .0025"-.003" on intake .004" - .005" exhaust should do it... if they are too tight

how to adjust valves turn engine slowly until intake or exhaust valve is completely closed. gauge the opening on the other at .004 thousands. then close other valve and repeat process.

...exhaust and intake valve adjusting caps. The intake is the one closest to the carb. 4. place a socket (I forget the size but it was a normal 1/2 drive 6 point socket that I used) on the large bolt ...

...valve clearance for a '92 Yamaha Timberwolf? Here's the info you're looking for. 1992-1998 Yamaha Timberwolf 2WD and 4WD Intake: 0.05 - 0.09 mm (0.002 ~ 0.004 in) Exhaust: 0.11 - 0.15 mm (0.004 ~ ...

what are the valve clearances on a 2010 ds 90 can am quad .004 intake .005 exhaust What's the valve clearance for a 2007 ds 90 4 stroke?

...exhaust valve or seat and more than the usual dribble of air escaping through the piston ring gaps indicates problems with the piston, rings or cylinder bore. This type of test is quick and reliable ...

...valve overlap and indicates that you are timing the valves on the exhaust stoke tdc and not the compression stroke tdc turn the crank over till you get tdc again and see if the inlet and exhaust ...

What is the valve lash clearance for a 1998 Honda 450 Foreman? Only adjust the valves when the engine is COLD!! Intake and exhaust = .006"

s next? I suggest you check the exhaust isn't partially blocked and then if OK ensure the cam timing, valve clearances, etc. is correct. Check for restricted intake, exhaust or possible cam timing off