Comparisons / Comparison of Kawasaki KX450 2019 and Suzuki RM-Z450 2021

Comparison of Kawasaki KX450 2019 and Suzuki RM-Z450 2021 [S]ave

Attribute
Suzuki RM-Z450 2021 ×
Kawasaki KX450 2019 ×
General
Production from (year)20212019
MakeSuzukiKawasaki
ModelSuzuki RM-Z450Kawasaki KX450
CategoryCross / motocrossCross / motocross
Engine and transmission
Engine typeSingle cylinder, four-strokeSingle cylinder, four-stroke
Valves per cylinder4-
Fuel systemInjection. 44mm throttle bodyInjection
Engine detailsAluminum cylinder with Suzuki Composite Electrochemical Material (SCEM) coating-
Displacement (cm³)449449
Cooling systemLiquidLiquid
Transmission type,final driveChainChain
Bore (mm)9696
Stroke (mm)62.162
Gearbox5-speed5-speed
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)Double Overhead Cams/Twin Cam (DOHC)
DrivelineChain, DID520MXV4, 114 links-
IgnitionCDIDigital
ClutchWet, multi-plate rack-and-pinion clutchWet multi-disc, manual
Lubrication systemSemi-dry sump-
Compression12.5:112.5:1
Chassis
Front suspensionInverted telescopic, coil spring, oil damped, adjustable damping force-
Rear suspensionBFRC-link type, coil spring, oil damped, adjustable spring preload and damping force-
Front brakesSingle discSingle disc. Semi-floating petal discs
Rear brakesSingle discSingle disc. Single-piston caliper.
Diameter (mm)270250
Frame typeAluminum alloy, twin-sparPerimeter, aluminium
Front tyre80/100-2180/100-21
Rear tyre110/90-19120/80-19
WheelsBlack anodized rims with a cross-section. Bridgestone X30 tires.-
Other
StarterKickElectric
Color options
  • championship yellow/blue
  • lime green
Dimensions
Wheelbase (mm)1,4801,485
Kerb weight (kg)112110
Overall height (mm)1,2601,275
Overall length (mm)2,1752,185
Overall width (mm)835830
Seat height (mm)960955
Ground clearance (mm)330340
Performance
Fuel capacity (l)6.36.2



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