2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 194Get this manual
DRIVE CLUTCH SPRING SPECIFICATIONS
The drive clutch spring has two primary functions: 1To control clutch engagement RPMThe springs which have higher rate when the clutch is in neutral will increase clutch engagement RPM2To control the rate at which the drive belt moves upward in the drive clutch sheavesThis is referred to as drive clutch upshiftThere are other components which control upshift, but the spring is one of the primary components in insuring optimum performanceIt is very important that the spring is of the correct design and is in good conditionNEUTRAL 300
FULL UPSHIFT
BlueBlueGold 7041080 Gold 7041148 Silver 7041062 Red 7041083 RedWhite 7041150 Brown 7041061 Orange 7041060 Pink 7041065 Yellow 7041102 Green 7041168 Purple 7041063 White 7041132 Plain 7041021 BlueGreen 7041157 Black 7041022