2001 Yamaha YFM660 Raptor Factory Service Manual, Page 272Get this manual

2001 Yamaha YFM660 Raptor Factory Service Manual, Page 272

WATER PUMP

4.Measure: Impeller shaft tilt Out of specification Repeat steps (3) and (4)
CAUTION:
Make sure that the rubber damper and rubber damper holder are bottom with the impellerMaximpeller shaft tilt: 0.15 mm (0.006 in)