2005 Ski-Doo Racing Handbook, Page 212Get this manual
SECTION 05ENGINE PREPARATION
TROUBLESHOOTING
Before completely disassembling the engine, check airtightnessRefer to LEAK TEST AND ENGINE DIMENSION MEASUREMENT
COMPONENT REMOVAL WITH THE ENGINE INSTALLED
Most engine components can be removed with engine on vehicle such as: cylinder head cover no1 cylinder head no2 cylinder(s) no3 piston(s) piston ring(s) rewind starter oil pump water pump magneto flywheel RAVE valve(s) reed valve(s)