2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 198Get this manual

2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 198

PRIMARY AND SECONDARY SHEAVES

REMOVING THE PRIMARY AND SECONDARY SHEAVES 1.Loosen: Nut (secondary sheave) Nut (primary sheave) NOTE: Use the sheave holder to hold the primary sheaveFirst, loosen the nut (secondary sheave) 2, then loosen the nut (primary sheave) 1Sheave holder: PNYU-01880, 90890-01701