2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 402Get this manual

2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 402

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STARTING FAILUREHARD STARTINGPOOR IDLE SPEED PERFORMANCEPOOR MEDIUM AND HIGH-SPEED PERFORMANCE COMPRESSION SYSTEM Cylinder and cylinder head Loose spark plug Loose cylinder head or cylinder Broken cyl