1989 Ski-Doo Repair Manual, Page 288Get this manual
Section 03 TRANSMISSION Sub-section 04 (DRIVEN PULLEY)
Install the hoole on the sliding halfPrevenling fixed half from turning, pull sliding half with the spring scale perpendiculary with pulley axlea
NOTE; Always recheck lorsionai pre-load after adjusting
Chaincase
Check oil level and refill as requiredRefer to section 03-07, "Chaincase"
Spring pre-load should be as follovvs ;
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