1996 Ski-Doo Shop Manual, Volume 3, Page 54Get this manual
Section 03 TROUBLESHOOTING b-S ectio 01 (E GIN E)
ENGINE LEAK VERIFICATION FLOW CHART
PRESSURIZE ENGINE NO
IS ENGINE LEAKING? YES CHECK ALL JOINTED SURFACES, SCREWSTUD THREADSMOUNTING FLANGES ETCYES REPLACE GASKET OR O-RING, RE-SEAL LEAKING AREA
ANY LEAK FOUND? NO CHECK SMALL OIL LINES OF INJECTION PUMP
AIR BUBBLES FOUND OR OIL MOVING TOWARD PUMP? NO REMOVE BLEED SCREW ON CYLINDER HEAD
REPLACE BANJO FITTING(S)LINE(S)
ARE ANY AIR BUBBLES IN COOLANT? NO BLOCK LARGE HOSES OF ROTARY VALVE GEAR LUBRIFICATION SYSTEM NO
REPLACE O-RING OF CYLINDER HEAD ANDOR CYLINDER BASE GASKET
IS ENGINE STILL LEAKING? YES CHECK CRANKSHAFT OUTER SEAL OF PTO AND MAG SIDES YES
ARE SEALS LEAKING? NO PRESSURIZE ROTARY VALVE GEAR RESERVOIR IN CRANKCASE PRESSURIZE ROTARY VALVE GEAR RESERVOIR IN CRANKCASE YES