1985 Ski-Doo snowmobile Service Manual, Page 259Get this manual

Section 03 TRANSMISSION Sub-section 03 (DRIVE PULLEY)
SQUARE SHAFT WITH THREE COUNTERWEIGHT ASSEMBLIES
Alpine 503

85 N.m (63 (bfft)

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