1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 195Get this manual
PVT SYSTEM Drive Clutch and Driven Clutch Data 1985 Production Specifications
Machine Model Scrambler Trail Boss Engine Model Operating RPM Clutch Part No1321468 Drive Clutch Spring Color Blue Green ShiftWt.I.Dand Gram Wt5 45 grDriven Clutch Helix Angle Spring Position 40 2-3
EC25PF-01 6000
Above 6000 ftwind driven to tightest setting andor change to number 16 mod shift weight, 40 grams, PN 5630280
1986 Production Specifications
Machine Model Scrambler Trail Boss Engine Model Operating RPM
EC25PF-01 6000
Clutch Part No1321476
Drive Clutch Spring Color Blue Green
ShiftWt.I.Dand Gram Wt16 43 gr
Driven Clutch Helix Angle Spring Position 40 2-3
Above 6000 ftwind driven to tightest setting andor change to number 16 mod shift weight, 40 grams, PN 5630280
1987 Production Specifications
Machine Model Trail Boss Trail Boss 4x4 Cyclone Engine Model Operating RPM
EC25PF-01 EC25PF-03 EC25PF-02 6000 7000
Clutch Part No1321476 1321479
Drive Clutch Spring Color Blue Green Brown