1985 Ski-Doo snowmobile Service Manual, Page 177Get this manual

Section 02 ENGINE Sub-section 09 (537 ENGINE TYPE)
537 ENGINE TYPE
ENGINE REMOVALINSTALLATION
Engine supportmuffler

48 N.m 1351blftl

25 Nm 1181tJI.ltl

135Ibl.ltlU-22'5

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