2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 90Get this manual

V-BELT INSPECTION 4.Replace: V-belt

INSP ADJ

Replacing steps: Install the bolts (90101-06016) into the secondary fixed sheave holdNOTE: Tightening the bolts will push the secondary sliding sheave away, causing the gap between the secondary fixed and sliding sheaves to widen Remove

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