1978 Ski-Doo Shop Manual, Page 34Get this manual
SECTION 02 SUSSECTION 02 (DRIVE BELT) (
TROUBLE SHOOTING
1Uneven belt wear on one side onlyCAUSE
, a) Loose engine mount
RriIIEDY
" b) Pulley misalignment c) Rough or scratched pulley' surfaces
a) T.ighten engine mount nuts equallyb) Align pulleysc) Repair or replace pulley half
2Belt glazed excessively or having baked appearanceCAUSE Excessive slippage caused "by: a) Insufficient pressure on belt sidesb) Rusted drive ofsJrive, pulley shf3fts'
a) Check drive pulley for worn or missing .flyweights! rollers-bl Clean shaft with steel wool and lubricate with low temperature grease' cl Clean pulley surfaceswithfine emery cloth and clean clothd) Install correct governor(
d) Incorrect centrifugal'governor" '3Beliworn excessively in top width