2005 Ski-Doo Racing Handbook, Page 347Get this manual
SECTION 072005 MX 440 INFORMATION
2005 OPTION PACKAGE COLOR MODEL NUMBER
2005 MX 440 RACING BLACKYELLOW CDNU.S: BM5A (1.75" TRACK) ENGINE Rotax 453 Premix mm mm cc mm in in in3 .in 65.00 65.80 436.70 64.88 Semi-trapez (YESNO) (YESNO) YES 420 924 810 YES 420 239 948 Gray 1.00 38.00 COOLING Liquid 42 90 ENGINE 2.559 2.591 26.649 2.554
Engine manufacturer Engine type noLubrication type Number of cylinders Bore Stroke Displacement Piston, Stamp Diameter 1st piston ring shape type Reed valve Reed valve part number RAVE system Spring part number Spring color Spring wire diameter Spring free length Cooling system type Thermostat opening tempCap opening pressure Piston ring end gap New, minNew, maxWear limit Ringpiston groove clearance New, minNew, maxWear limit Pistoncylinder clearance New, minWear limit Cylinder taper New, maxWear limit Cylinder out of round New, maxWear limit Crankshaft Deflection (MAG side) (center) (PTO side) Crankshaft end play New, minNew, max