1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 155Get this manual

1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 155

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CAMSHAFT AND CYLINDER HEAD
CYLINDER HEAD INSPECTION
1.Eliminate: Carbon deposits (from the combustion chambers) Use rounded scraper

Do not use sharp instrument to avoid damagi