2004-2005 660 Yamaha Rhino Factory Service Manual, Page 193Get this manual
bWhen turning the clutch housing clockwisethe clutch housing should turn freelyIf not, the one-way clutch assembly is faultyReplace itcWhen turning the clutch housing counterclockwisethe clutch housing and crankshaft should be engagedIf not, the one-way clutch assembly is faultyReplace itLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
2Check: clutch shoe Heat damage Replace