The timing chain tensioner bolt sticks out the back left side of the cylinder head. Take the timing chain cover off on the left side of the motor too see the inside to the chain tensioner.
To adjust the timing on a 1997 Yamaha Warrior YFM350, first, ensure the engine is at top dead center (TDC) on the compression stroke. Remove the timing cover to access the timing marks on the flywheel and the ignition timing plate. Loosen the bolts on the timing plate, rotate it to align the timing marks as needed, and then tighten the bolts securely. Finally, recheck the timing to ensure it is correctly set before reassembling the cover.
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The water pump is the tensioner for the timing belt. if you need to adjust it, replace it.
timing or carb
self adjusting yan
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Timing chain diagram or how to set it
according to the service manual the cam chain is not adjustable. you must replace it or the tensioner if it is noisy. mine make's a rattling noise at idle and need's to be replaced.
u dont adjust the timing chain tensioner if there is slop or play in chain, u need to replace the chain . good idea to replace timing gears at same time while engine is pulled apart
You dont, it's an automatic hydraulic tensioner. However eventually the chain and/or tensioner spring will wear out.