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2001 Yamaha Grizzly 600 - Engine Knock


thetucks
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I have a grizzly that has a lower engine knock. Any pointers you guys can give me on tearing it apart to fix the problem? im guessing a connecting rod is knocking. Im going to take the head and cylinder off tomorrow to inspect the piston to conecting rod and see if thats my problem. im betting its the lower bearing or something. the manual says you have to remove the engine to replace the lower...is that right? any tips?? thanks for any and all help.

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Dream Car Giveaway

yes u will have to remove the motor from the frame to split the case to get the crank and rod out ... but another thing that will sound like a lower end motor knock is a worn clutch .. i have seen that on many quads with a belt drive .. they sound like the lower end is knocking when its actually not .. it was a clutch with worn parts ..causing the noise ... that has not always been it ... some times it is actually the rod or bad crank ...

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