Motorcycles Specs > Kawasaki > Kawasaki KFX 450R

Kawasaki KFX 450R Specs

The Kawasaki KFX 450R model is a ATV bike manufactured by Kawasaki . In this version sold from year 2009 , the dry weight is 394.7 kg (870.2 pounds) and it is equiped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of  and a maximum torque of  . With this drive-train, the Kawasaki KFX 450R is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Kawasaki KFX 450R have a Aluminum double cradle, racing type frame with front suspension being Dual A-arms, coil-over shocks / 8.5 in and in the rear suspension it is equiped with Swingarm with piggy-back reservoir shock, dual-rate spring / 10.0 in . Stock tire sizes are 21/7-10 (AT) on the front, and 20/10-9 (AT) on the rear. As for stopping power, the Kawasaki KFX 450R braking system includes Double disc size 163 mm (6.4 inches) at the front and Single disc size  at the rear. 

Kawasaki KFX 450R General Information

Brand Kawasaki 
Model Kawasaki KFX 450R 
Start year 2009 
Year 2009 
Category ATV 
Factory Warranty (Years / miles)

Kawasaki KFX 450R Dimensions, Aerodynamics and weight

Frame type Aluminum double cradle, racing type 
Seat details
Wheelbase 1,255 mm (49.4 inches) 
Length 1,806 mm (71.1 inches) 
Width 1,171 mm (46.1 inches) 
Height 1,064 mm (41.9 inches) 
Seat Height 785 mm (30.9 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance 109 mm (4.3 inches) 
Trail size
Wheels details
Front Tyres - Rims dimensions 21/7-10 (AT) 
Rear Tyres - Rims dimensions 20/10-9 (AT) 
Front brakes Double disc 
Rear brakes Single disc 
Front Brakes Dimensions - Disc Dimensions 163 mm (6.4 inches) 
Rear Brakes Dimensions - Disc Dimensions
Curb Weight (including fluids)
Dry Weight 394.7 kg (870.2 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio :
Fuel Tank Capacity 9.84 litres (2.60 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension Dual A-arms, coil-over shocks / 8.5 in 
Front Suspension Travel
Rear Suspension Swingarm with piggy-back reservoir shock, dual-rate spring / 10.0 in 
Rear Suspension Travel

Kawasaki KFX 450R Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details
Fuel system Injection 
Engine size - Displacement - Engine capacity 449.00 ccm (27.40 cubic inches) 
Bore x Stroke 96.0 x 62.1 mm (3.8 x 2.4 inches) 
Compression Ratio 8.9:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration DOHC 
Maximum power - Output - Horsepower
Maximum torque
Engine Maximum RPM
Cooling system Liquid 
Lubrication system
Engine oil capacity
Exhaust system
Gearbox 5-speed 
Transmission type, final drive ratio Chain 
Clutch type

Kawasaki KFX 450R Performance

Top Speed
Acceleration 0 to 100 km/h (0 to 62 mph)
Acceleration 0 to 400m (1/4 mile)
Recuperation 60 to 140 km/h in highest gear
Fuel Consumption - MPG - Economy - Efficiency
CO2 emissions

Kawasaki KFX 450R Electrical Systems, Ignition and Equipment

Ignition Type Solid state with electronic ignition backup 
Electrical Details
Starter Type Electric 
How much does a Kawasaki KFX 450R weighs?
The Kawasaki KFX 450R weighs 394.7 kg (870.2 pounds).

How tall (seat height) is a Kawasaki KFX 450R?
The Kawasaki KFX 450R seat height is 785 mm (30.9 inches) If adjustable, lowest setting.