The 2021 RM-Z 450 is set up for Flat Track Racing. Engine Type: 4-stroke, single cylinder, DOHC Displacement: 449cc Bore and Stroke: 3.78 in. x 2.40 in. (96.0 mm x 62.1 mm) Cooling: Liquid Compression Ratio: 12.5:1 Fuel System: Fuel in. jection, 44mm throttle body Ignition: Electronic ignition (CDI) Front Suspension: Inverted telescopic, coil spring, oil damped, adjustable damping force Front Brakes: Disc brake, single rotor Front Tire: 80/100-21 M/C (51M), tube type Rear Suspension: BFRC-link type, coil spring, oil damped, adjustable spring preload and damping force Rear Brakes: Disc brake, single rotor Rear Tire: 110/90-19 M/C (62M), tube type Dry Weight: Curb Weight: 247 lb. (112 kg) Fuel Capacity: 1.7 US gal. (6.3 L) Wheelbase: 58.3 in. (1480 mm) Ground Clearance: 13.0 in. (330 mm) Seat Height: 37.8 in. (960 mm) Transmission: 5-speed constant mesh Final Drive: Chain, DID 520DMA2K, 114 links Colors: Champion Yellow No. 2
