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Causeway Kawasaki
1/115 Albany Highway
Victoria Park
Western Australia 6100
(corner Colombo Street)
Phone: 08 9362 3266
Fax: 08 9472 1206
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Home: Welcome to Causeway Kawasaki > New Bikes > Off Road > Motocross 4 Stroke

KX450F

KX450F
Make:
KAWASAKI
Model:
KX450F
Year:
2010
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THE 2010 KX450F IS A BIKE BUILT FOR CHAMPIONS...

The second generation KX450F was a massive hit in 2009. Its smooth, easy to use, fuel injected engine and nimble handling helped put it at the top of several publications' 450cc MX shootouts.

For 2010 there are a number of performance enhancing updates to keep the KX450F at the front of the pack. Engine refinements increase high-rpm and over-rev performance, while chassis updates help make the 2010 KX450F even easier to ride fast.

Get on board the 2010 KX450F now, head to the track . . . and start winning!!

FEATURES AND BENEFITS

FUEL INJECTED POWER
  • The fuel injected engine is compact and light. The factory-style forged piston has a revised profile with a shorter skirt, reinforced external ribs and the first mass-production use of a bridged-boxed bottom with fully-flushed internal bracing so it's lighter and stronger.
ALL ALUMINIUM FRAME
  • The slim aluminium perimeter frame is a lightweight construction composed of forged, extruded and cast parts. The result? A strong frame capable of podium achieving success.
AWESOME SUSPENSION
  • Revised fork spring rates and damping settings and the less rigid steering stem offer improved action and increased comfort. Diamond-Like Carbon coating reduces sliding friction for improved fork action, especially during cornering. Kashima Coat and high-precision machining further reduse friction. 
  • BIG STOPPING POWER
    Front and rear petal disc brakes provide strong, controlled stopping power along with excellent feedback and feel. Their petal-shape design helps reduce unsprung weight and keep the brake pads clean from mud and debris for more efficient braking performance.
SLIM RIDER INTERFACE
  • Bodywork components and the new seat are designed to offer riders a slim, natural riding position making it even easier for racers to go fast. The slimmer shroud design and revised exhaust pipe line contributes to improved ergonomics.
FACTORY LOOK SEAT
  • Firmer urethane helps the seat maintain its original shape longer plus the new colour scheme looks like it's straight from the factory.
    • AGGRESSIVE STYLING
      An aggressive new look is evident in the sleek new bodywork styling featuring one-piece dual injected, two-tone green and white plastic shrouds and side number plates.  This new bodywork translates into less time hassling with backgrounds and graphics and more time collecting trophies.

    • GO FASTER FOR LONGER
      The frame echoes the slim profile at the top, but widens at the lower end by the ankles to provide the rider with better feel and control. Completing the rider interface improvements are wider 50mm footpegs that offer sensational grip and a more comfortable platform.!
  • FACTORY INSPIRED TUNING
    • Factory-inspired refinements contribute to increased high-rpm and over-rev performance. Used for the first time in a mass-production machine, a new high-perfromance piston with bridgeed-box bottom features the same design as our factory racers.
    • NEW INI-TRAK REAR SUSPENSION
      The 2010 KX450F features linkage mounts below the swingarm for even more precise suspension tuning. The revised linkage ratios also contribute to increased rear wheel traction.
SPECIFICATIONS
ENGINE
Type Liquid-cooled, 4-stroke Single
Displacement 449 cm3
Bore and Stroke 96.0 x 62.1 mm
Compression ratio 12.5:1
Valve system DOHC, 4-Valve
Fuel Injection
 DFI w/ Keihin 43mm Throttle Body
Ignition Digital DC-CDI
Starting Primary kick
Lubrication Forced lubrication, semi-dry sump
DRIVETRAIN
Transmission 5-speed, return*
Final drive Chain
Primary reduction ratio 2.727 (60/22)
Gear ratios: 1st 1.750 (28/16)*
  2nd 1.412 (24/17)*
  3rd 1.188 (19/16)*
  4th 1.000 (19/19)*
  5th 0.875 (21/24)*
Final reduction ratio 3.846 (50/13)
Clutch Wet multi-disc, manual
FRAME
Type Perimeter, aluminium
Wheel travel: front 315 mm
  rear 315 mm
Tyre: front 90/100-21 51M
  rear 120/80-19 63M**
Caster (rake) 26.7°
Trail 116 mm
Steering angle (left/right) 42° / 42°
SUSPENSION
Front: Type 48 mm Inverted, Kayaba  AOS-type telescopic fork
  Compression damping 22-way
  Rebound damping 20-way
Rear: Type New Uni-Trak
  Compression damping 22-way (low-speed), 2-turns or more (high-speed)
  Rebound damping 22-way
  Spring preload Fully adjustable
BRAKES
Front: Type Single semi-floating 250 mm petal disc
  Caliper Dual-piston
Rear: Type Single 240 mm petal disc
  Caliper Single-piston
DIMENSIONS
Overall length 2,185 mm
Overall width 820 mm
Overall height 1,280 mm
Wheelbase 1,480 mm
Ground clearance 340 mm
Seat height 965 mm
Curb Mass
 113.5 kg {with full tank}
Fuel capacity 7.0 litres
PERFORMANCE
Maximum power 41.5 kW {56.4 PS} / 8,500 rpm
Maximum torque 50.8 N/m {5.18 kgf/m} / 7,000 rpm
 
* Changes as of 07mY
** JPN-only change as of 07mY
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.

PDFKX450F 2010 Brochure (1,028 KB)

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