1996 Ski-Doo Shop Manual, Volume 1, Page 47Get this manual
Se ion ROU BLESH OOT Sub-Section 01 (ENGINE)
NOTEFor fan cooled engines, Ignore information pertalmng to coolant system and crankcase rotary valve gear reservoir
ENGINE LEAK VERIFICATION FLOW CHART
PRESSURIZE ENGINE
CHECK ALL JOINTEO SURFACES, SCREWiSTUO THREAOSMOUNTING FbiNGES ETCREPIACE GASKET OR O-RING, RE-SEAL LEAKING AREA
CHECK SMALL OIL LINES OF INJECTION PUMP
REPLACE BANJO FITTING(S) LINE(S) I
REMOVE BLEEO SCREW ON CYLINOER HEAOARE ANY AIR BUBBLES IN COOLANT? YES BLOCK LARGE HOSES OF ROTARY VALVE GEAR LUBRIFICATION SYSTEM NO REPLACE O-RING OF CYLINOER HEAO ANOOR CYLINOER BASE GASKET I
IS ENGINE STILL LEAKING?YES
PRESSURIZE ROTARY VALVE GEAR RESERVOIR IN CRANKCASE YES