Posted by The Lurker on January 23, 2000 at 11:51:44:
In Reply to: Problem with F822 pistons posted by Costantino Volpe on January 23, 2000 at 05:14:07:
I have the same problem on ALL THREE of my piston Yamahas. With me, it was the plastic valve guides. If they are not locked right in place, they will cause the valve to 'slow.' On the 822, ther was a burr on the guide that I snipped off with a fingetnail clipper. THAT fixed the sucker!