2005 Ski-Doo RT Series Shop Manual, Page 36Get this manual
Section 02 ENGINE Subsection 01 (LEAK TEST)
If there is no leak at the tested location, continue pumping to maintain pressure and continue with next items until leak is foundTools Check all tools used for the test: exhaust plates and the cap on the fitting plugs in intake rubber boots hose pincher on impulse hose rubber caps on inlet and outlet fittings of oil injection system RAVE plates (if so installed) pump and hoseEngine Check the following: Spark plugs base and insulators All jointed surfaces: cylinder head cylinder RAVE valve cover (if so installed) injectors area decompressor areas cylinder crankcase halves (joint) counter balancing shaft outer seals and their filling tubes crankshaft seals (PTO and MAG sides) oil injection pump mounting flange (O-ring) coolant pump housing crankcase grease reservoir fitting Small injection oil lines coming from pump