Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 98Get this manual
ENGINE Assembly, Cont4Install bolts and torque to specifications and pattern found in beginning of this chapter5Install water pump and torque bolts to specification
Water Pump Bolt Torque: 17 ft.lbs (23 Nm)
6Install piston pin bearings7Install piston with arrow (") toward flywheel (ring pins toward intake side)8Install C-clip retainers using toolNOTE: The C-clip opening should be in the up or down positionBe sure C-clips are properly seated in grooveC-Clip Retainer Installation Tool PN 2870773 Toward Flywheel