2012 KLX450R

2012 KLX450R

Kawasaki's Fastest Off-road Machine Ever.

The 2012 KLX450R is Kawasaki’s lightest, fastest and most powerful big-bore 4-stroke off-road race machine ever. It gets its key components straight out of the mighty KX450F motocrosser and adapts them for off-road racing. The KX450F’s high-powered, lightweight 4-stroke engine has been tweaked for more low-end torque and is mated to a special wideratio 5-speed transmission. Plus it comes with an electric starter.

The lightweight all-aluminium chassis is balanced to provide both quick turning and light handling over a variety of terrain. The high-spec AOS inverted fork and superb rear suspension from the KX450F have been tuned for off-road competition and to minimise rider fatigue over long distances.

Out of the crate, off-road competitors can now enjoy the same incredible engine and the same outstanding frame and suspension technologies as the class-leading KX450F, but in a bike purpose-built to excel in off-road racing.

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engine electric-starting transmission

High Performance 4-Stroke Engine

The high-powered, lightweight 4-stroke engine is derived from the Championship Winning KX450F and features several tweaks including increased flywheel mass for greater low-end torque.

Electric Starting

A lightweight, highly reliable electric start system is employed for fast, easy, trouble-free starting. A manual kick starter is retained as a backup.

Wide Ratio 5-Speed Transmission

The KLX450R's gear ratios have been selected to specifically suit off-road competition. Likewise, the engine is tuned for a broad delivery of power to optimize the gear ratios. The gear sets and center cases are very compact allowing the frame to be narrower at the rider‘s ankles.
feature

4-Valve Cylinder Head

Featuring dual overhead camshafts lifting lightweight titanium valves with dual progressive valve springs, the KLX's head boasts revised cam lift and timing to boost low and mid range torque.

Race Oriented Chassis

The MX inspired aluminium chassis features centralised gravity and inertia points to deliver incredible traction, light handling and confidence inspiring high speed stability.
suspension brakes digital

Serious Suspension

Kayaba twin chamber forks take care of the big hits up front while Kawasaki's legendary Uni-Trak rear suspension gets the power to the ground. Fully adjustable damping at both ends provides easy tuning and setup.

Powerful Disc Brakes

Petal brake discs front and rear reduce unsprung weight, and help clean the brake pads for more efficient braking. The forged aluminium rear brake pedal has a heavy duty mounting bolt and a large “foot” with sharp teeth to provide a solid feel. An integrated rear brake fluid reservoir provides increased reliability.

Lightweight Digital Instrumentation

Fully equipped for off road competition, the KLX boasts a fully featured instrument panel including speedometer, odometer, twin trip meters and a clock.


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Engine 4-Stroke, Liquid Cooled, DOHC, 4-Valve, Single
Displacement 449cm³
Bore & Stroke 96.0 x 62.1 mm
Compression Ratio 12.0:1
Carburettor Keihin FCR40
Ignition Digital AC-CDI
Starting Electric and Primary Kick
Transmission 5-Speed
Rake/Trail 27.1/117mm
Wheeltravel-f/r 305/315mm
Tyre Size Front 80/100-21
Tyre Size Rear 110/90-18
Front Suspension 48mm Inverted, Kayaba AOS with 22-Way Compression
and 18-Way Rebound Damping Adjustment
Rear Suspension Uni-Trak® with Adjustable Preload, 22-Way (Low Speed)/ Stepless (High Speed) Compression Adjustment,
22-Way Rebound Damping Adjustment,
Temperature Compensating Rebound Adjustment
Wheelbase 1,480 mm
Front Brake Type Semi-Floating 250 mm Petal Disc with Dual Piston
Rear Brake Type 240 mm Petal Disc with Single Piston Calliper
Fuel Tank Capacity 8 litres
Ground Clearance 315 mm
Seat Height 935mm
Curb Mass  126 kg
 
The specifications mentioned here apply to and have been achieved by production models under standard operating conditions. We intend only to give a fair description of the vehicle and its performance capabilities but these specifications may not apply to every machine supplied for sale. Kawasaki Heavy Industries, Ltd. reserves the right to alter specifications without prior notice. Equipment illustrated and specifications may vary to meet individual markets.

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