This is an amazing bike very fast!!!!!! This is the closest you can get to a factory kx450 like the pro riders have come get it Engine Type: 4-stroke single, DOHC Displacement: 449cc Bore and Stroke: 96.0 x 62.1mm Cooling: Liquid Compression Ratio: 12.5:1 Fuel System: DFI® with 44mm Keihin throttle body Ignition: Digital CDI with 3 Coupler Options Front Suspension: 12.4 in. travel Front Brakes: Single semi-floating 270mm Braking® petal disc with dual-piston caliper Front Tire: 80/100-21 Rear Suspension: 12.1 in. travel Rear Brakes: Single 250mm Braking® petal disc with single-piston caliper Rear Tire: 120/80-19 Dry Weight: Curb Weight: 232.7 lb. without fuel / 242.9 lb. Fuel Capacity: 1.64 gal. Wheelbase: 58.5 in. Ground Clearance: 13.4 in. Seat Height: 37.6 in. Trail: 4.8 in. Rake: 27.6 deg. Transmission: 5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation Final Drive: Chain Colors: Lime Green