1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 198Get this manual
PVT SYSTEM Shift Weights Shown below are the shift weights which have been designed for, or which may be used in the PVT systemThese shift weights have many factors designed into them for controlling engagement RPM and shifting patternsSome of these weights require modifications to spider spacing when installed, and will affect clutch balanceShift weights should not be changed or altered without first having thorough understanding of their positioning and the effects they may have on belt to sheave clearance, clutch balance and shifting pattern