Positioned in Kawasaki's atv motorcycle lineup, the 2010 Kawasaki KFX 450R Monster Energy features a 449 cc (27.4 cu in) liquid-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 96.0 x 62.1 mm (3.8 x 2.4 inches).
On the scales, the KFX 450R Monster Energy measures 394.7 kg (870 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 785 mm (30.9 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,255 mm (49.4 in) wheelbase engineered for quick, flickable steering geometry. The 9.84-liter (2.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
785 mm (30.9 in)
Engine
Displacement449.0 ccm (27.40 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Bore x Stroke96.0 x 62.1 mm (3.8 x 2.4 inches)
Valves/Cylinder4
Fuel SystemInjection. 32-bit digital, with 42mm Keihin throttle body
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionDigital AC-CDI
CoolingLiquid
Transmission
Gearbox5-speed
Final DriveChain (final drive)
Chassis
Frame TypeAluminum double cradle, racing type
Front SuspensionDual A-arms, coil-over shocks / 8.5 in
Rear SuspensionSwingarm with piggy-back reservoir shock, dual-rate spring / 10.0 in
Wheelbase1255 mm (49.4 inches)
Wheels & Brakes
Front Tyre21/7-10
Rear Tyre20/10-9
Front BrakesDouble disc
Front Brake Ø163 mm (6.4 inches)
Rear BrakesSingle disc
Rear Brake Ø200 mm (7.9 inches)
Dimensions & Weight
Weight incl.394.7 kg (870.2 pounds)
Seat Height785 mm (30.9 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.