PURE ADRENALINE X4
The KFX450R was designed with everything to keep it ahead of the pack, whether it’s ridden on the track or trail. Its engine comes straight from the World Supercross Championship-winning KX450F with the addition of digital fuel injection and a reverse gear for backing out of tight situations. The all new aluminum frame is both lightweight and rigid, plus it’s designed for superb handling and to allow the KFX450R to maximize traction without wasted wheelspin. Kawasaki made the KFX450R race-ready so that extensive, and expensive, modifications are unnecessary to put it ahead of the pack.
FEATURES AND BENEFITS
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High Performance 4-Stroke Engine
The KFX450R’s power plant, based on the highly acclaimed engine of the KX450F
motocrosser, was newly designed for use in an ATV racer. Adding fuel injection, an electric starter, fitting a reverse gear, lowering the centre of gravity, re-tuning the engine for low-mid range torque to suit the weight of an ATV, and revising the intake and exhaust systems are among the many changes.
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Digital Fuel Injection
The KFX450R's fuel injection increases race competitiveness by eliminating a key disadvantage of carburettors: fixed engine settings. This means no more comporomises when riding in varied conditions.
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5-Speed Transmission With Reverse
Following the ideal line is not always possible. When problems arise, the KFX450R's reverse gear (a class first) will prove indispensable in returning to the race or trail quickly. | |
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Lightweight Competition-Style Frame
The KFX450R comes equipped with a high performance frame right from the start. It is the first ATV in its class to offer a completely aluminium chassis for pure lightweight performance
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Racing Cockpit
The shape of the seat, tank and side
covers on the KFX450R were specifically designed not only to not hinder the rider’s mobility as he moves around, but also to provide support when hanging off in corners.
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Race-ready Trick Bits
A Renthal FAT-BAR comes standard
on the KFX450R. Tapered, the Renthal bar
offers both strength and light weight. | |
| ENGINE |
| Type: |
4-stroke Liquid Cooled, DOHC, |
| Displacement |
449 |
| Bore & Stroke |
96.0 X 62.1 mm |
| Compression ratio |
12.0:1 |
| Valve system |
DOHC, 4 valves per cyclinder |
| Carburettor |
Keihin 42mm x 1 |
| Ignition |
Digital AC - DCI |
| Starting |
Electric |
| Cooling |
Liquid |
| Lubrication |
Forced lubrication, semi-dry sump |
| Transmission |
5 speed (return) plus reverse |
| Primary drive |
Gear |
| Final drive |
O`Ring Chain 2WD |
| Primary reduction ratio |
3.122 ~ 0.635 (belt converter) |
| Gear ratios: |
|
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1st |
2.230 (29/13) |
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2nd |
1.800 (27/15) |
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3rd |
1.529 (26/17) |
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4th |
1.278 (23/18) |
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5th |
1.048 (22/21) |
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Reverse |
2.364 (16/11 x 26/16) |
| Final reduction ratio |
2.714 (38/14) |
| Clutch |
Wet multi-disc, manual |
| Frame Type |
Double cradle, aluminium |
| SUSPENSION: |
|
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front |
Dual A-arms |
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rear |
Swingarm and single shock with piggy-back reservoir |
| Wheel travel: |
|
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front |
215 mm |
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rear |
254 mm |
| TYRES: |
|
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front |
AT 21 x 7R10 |
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rear |
AT 20 x 10R9 |
| Caster (rake) |
1.8o |
| Trail |
7.6 mm |
| Tread (front/rear) |
972 mm / 899 mm |
| Steering angle (left/right) |
40o / 39o |
| Front brakes |
Dual 163 mm discs with 2-piston calipers |
| Rear brakes |
200 mm petal disc brake with 1 piston caliper |
| Parking brake |
Engages rear brake |
| Battery |
12 V, 12 Ah |
| Headlights (high/low) |
12 V, 45/45 W x 2 |
| Tail/brake light |
12 V, 5/21 W |
| Overall length |
1,806 mm |
| Overall width |
1,170 mm |
| Overall height |
1,064 mm |
| Wheelbase |
1,255mm |
| Ground clearance: |
108 mm |
| Seat height |
786 mm |
| Curb Mass |
179 kg |
| Fuel capacity |
10 litres |
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| 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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Features & Benefits
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