1985 Ski-Doo snowmobile Service Manual, Page 57Get this manual
Section 02 ENGINE Sub-section 03 (377 ENGINE TYPE)
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Egine Rotax 377 Rubber buffer Starter grip Rivet 161 Washer 161 Air duct Elastic stop nut 10 mm Washer 10.5 mm 131 Rubber mount 131 Bushing 131 Cap screw M10 45 131 Lock washer 10 mm 131 Loctite 242 Cap screw MIO 25 131 Cap screw MIO 35121 Elastic stop nut 10 mm 121 Engine bracket
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Cup 121 Lock washer 10 mm 121 Gasket (4J Exhaust mandold Spring (6) Connector Lock washer mm 141 Allen screw M8 30 141 Exhaust washer Sprmg Spring 121 Muffler Cap screw M6 40 Muffler support Spring Elastic stop nut mm Female ball loint
REMOVAL FROM VEHICLE
Remove or disconnect the following (if applicable) then lift engine out of vehicle