1984 Ski-Doo Shop Manual, Page 36Get this manual
SECTION 02 ENGINE SUB-SECTION 02 (277 ENGINE TYPE)
7234567B970 77273
Engine Rotax 277 Gasket (2) Air deflector Exhaust socket Lockwasher mm (2Allen screw MB 30(2) Spring (6) Exhaust elbow Elastic stop nut 70mm Washer 705 (3) Rubber mount Bushing (3) Engine bracket
747576777B7920272223242526
Hexagonal cap screw M7a 45 (3) Lockwasher mm (6) Hexagonal cap screw MB 20(6) Cup (2) Lockwasher 70mm (2) Spring Washer Spring (2) Muffler Hexagonal cap screw M6 40Muffler suppon Spring Hexagonal flanged elastic stop nut mm
REMOVAL FROM VEHICLE
Remove or disconnect the following then lift engine from vehicle- Pulley guard and drive beltMufflerThrottle cable and intake silencerOil and fuel linesOil injection pump cablePulsation lineDecompressor cable (applicable from engine number 3,376 ,858)Electrical connectorsHood retaining cableBolts (3) securing engine support to chassis