2000 Polaris Indy 500 / 600 snowmobile service manual, Page 369Get this manual
BRAKESFINAL DRIVE Transmission Disassembly WideTrak LX 9Remove shift fork shaft from gear clusterInspect surface of fork for wear or bending
10Remove chain from input and reverse shaftInspect gear teeth for damageInspect chain for worn, cracked, or broken link plates
Inspect Shift Forks