2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 95Get this manual

2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 95

ADJUSTING THE DRIVE CHAIN SLACK

ADJUSTING THE DRIVE CHAIN SLACK NOTE: Measure the drive chain slack halfway between the drive axle and the rear axle When checking and adjusting the drive chain slack, there should be no weight on the vehicle and all tires must be touching the ground
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