1978 Polaris RXL Service Manual, Page 54Get this manual
DRIV EN CLUTCH DISASSEMBLY AND REASSEMBLY Con't.1 Separate he sta tionary and movable sheaves not ing he placemen of two thrust washersThe hrust washers are used to change he effective center istanceInspect the ramp butto ns and bushings for wear; clean all parts prior to reassembly