2008-2010 Kawasaki KFX450R Factory Service Manual, Page 16Get this manual
1-8 GENERAL INFORMATION General Specifications
Items Dimensions Overall Length Overall Width Overall Height Wheelbase Ground Clearance Seat Height Dry Mass Curb Mass: Front Rear Fuel Tank Capacity Performance Minimum Turning Radius Engine Type Cooling System Bore and Stroke Displacement Compression Ratio Maximum Horsepower Maximum Torque Carburetion System Starting System Ignition System Timing Advance Ignition Timing Spark Plug Valve Timing: Inlet: Open Close Duration Exhaust: Open Close Duration Lubrication System Engine oil: Type Viscosity Capacity KSF450B8F, KSF450B8FA 806 mm (71.10 in 170 mm (46.06 in 064 mm (41.89 in 255 mm (49.41 in 108 mm (4.25 in 786 mm (30.94 in 165 kg (364 lb) 88.5 kg (195 lb) 89.5 kg (197 lb) 10.0 (2.64 US gal) 3.6 (11.8 ft) 4-stroke, DOHC, Single-cylinder Liquid-cooled 96.0 62.1 mm (3.78 2.44 in 449 cm (27.4 cu in 12.031.9 kW (43 PS) 500 rmin (rpm), (US) 41.9 Nm (4.3 kgfm, 31 ftlb) 000 rmin (rpm) FI (Fuel Injection) Keihin 42 Electric Starter Battery and Coil (transistorized ignition) Electronically advanced From 10 BTDC1 800 rmin (rpm) to 39.5 BTDC6 000 rmin (rpm) NGK CPR8EB-9