2004 Ski-Doo Racing Handbook, Page 15Get this manual
SECTION 022004 MODELS TECHNICAL DATA
ENGINE LEGEND
BTDC: Before Top Dead Center CDI: Capacitor Discharge Ignition K: Kilo (x 1000) ST: Semi-Trapezoidal MAG: Magneto Side N.A Not Applicable PTO: Power Take Off Side The maximum horsepower RPM applicable on the vehicleIt may be different under certain circumstances and BOMBARDIER INCreserves the right to modify it without obligationCrankshaft end-play is not adjustable on these modelsSpecification is given for verification purposes onlyAt 3500 RPM with headlamp turned onAll resistance measurements must be performed with parts at room temperature (approx20C (68F))Temperature greatly affects resistance measurementsPress fit type, not replaceableNeedle with one groove, not adjustableDrive pulley retaining screw: torque to 80 to 100 Nm (59 to 74 lbfft), install drive belt, accelerate the vehicle at low speed (maximum 30 km (20 MPH)) and apply the brake; repeat timesRetorque screw to 90 to 100 Nm (66 to 74 lbfft)CAUTION: Do not attempt to adjust gap on spark plug BR ECSFor vehicle with pre-heat switch enabled, use racing fuel with octane number 108