2005 Ski-Doo Racing Handbook, Page 173Get this manual
SECTION 05ENGINE PREPARATION
SPARK PLUGS
DISASSEMBLY
First unscrew the spark plug turnClean the spark plug and cylinder head with pressurized air, then completely unscrew
SPARK PLUG TIGHTENING TORQUE
MODEL All models SPARK PLUGS NGK TORQUE Nm (lbfft) 27 (20)
WARNING
Whenever using compressed air, always wear protective eye wear