1996 Ski-Doo Shop Manual, Volume 3, Page 112Get this manual
S b-S ection 04
Section 04 ENGINE (LE and GIN DIM SIO RE T)
LEAK TEST AND ENGINE DIMENSION MEASUREMENT
S Series and Series
LEAK TEST
Th follo ing give verification proce dures for liquid coole engin es though it also applie to fan cooled engin esF or engin es, do not consider inform ation pertaining to coolant syst and crankcase rotary valve ear re servoirco mpon entsO in-cylind er ngine s, each cylinder can not be verified individually du to leakage fro one cylind er to the other through rotary valve (e xcept on engin es ith separate intake anifolds)B eside s, on ngine s, le ak ill occur through labyrinth sle ve in ce nter of crankshaft