Sled belt slipping or burning belts
Share
Applies to: All CVT sleds (Polaris, Ski-Doo, Arctic Cat, Yamaha), All years
Symptoms
- RPM flares but the sled doesn't pull
- Burnt-rubber smell, glazed belt
- Belts wear out or blow early
Why it happens
A glazed or worn-narrow belt, wrong belt deflection, dirty clutch sheaves, or worn clutch weights, rollers or driven-clutch buttons.
How to fix it
- Measure belt width against the manual minimum.
- Clean both clutch sheaves with a scuff pad and brake cleaner.
- Check belt deflection and adjust to spec.
- Check clutch offset and alignment.
- Inspect primary weights and rollers, and driven-clutch buttons.
Tools and parts
- Calipers
- Scuff pad, brake cleaner
- Clutch alignment bar
- Drive belt
What the factory service manual covers
Drive system: belt deflection, clutch offset/alignment, clutch rebuild. The full procedure, specs and wiring diagrams are in the factory service manual for your machine.