1985 Ski-Doo snowmobile Service Manual, Page 247Get this manual

Section 03 TRANSMISSION Sub-section 03 (DRIVE PULLEY)
ADJUSTMENT
11, Shim (alignment)
For pulley alignment procedure, refer to section 03-05
5, Shim (neutral)

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives