2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 121Get this manual
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ENG PRIMARY AND SECONDARY SHEAVES 4-42 PRIMARY SHEAVE .4-44 SECONDARY SHEAVE .4-45 PRIMARY AND SECONDARY SHEAVES REMOVAL 4-46 SECONDARY SHEAVE DISASSEMBLY 4-46 PRIMARY SHEAVE INSPECTION .4-47 SECONDAR