1978 Polaris RXL Service Manual, Page 51Get this manual
C UTCH NGCon't
Drive Clutch WeightslSpring Relationship to Obtain Maximum Operating RPMThe dri ve clutch is an RPM an torqu sensing unit designed ran sfer the ma ximum am ount of horsepower from the engi ne to th grou nd Th is is accomplished by weights nd spring inside th un it reacting to the cen trifugal force app lied to it fro the engine RPMThe spri ng and weigh ts work in com inatio nIn pr opert set up clutch, the ma xi mu m
desired op erating RPM will be reached immediately af ter clut ch engagement (full throttl e
co nd it ions)T his RPM sho uld be maintain ed gain opti mu powerA entrifugal fo rce