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$7,399.00

2008 Kawasaki KFX® 450R


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NEW 2008 KFX®450R INTRODUCES ATV COMMUNITY TO KAWASAKI RACING TECHNOLOGY.


Motocross performance based on the World Champion KX™450F.


Take the short cut to the circuit with the all-new Kawasaki KFX®450R ATV. This high performance machine doesn’t require extensive and expensive modifications to make it race-ready, because it already includes all the race-winning performance and technology required for success straight out of the crate.


The KFX450R’s design incorporates everything riders need to win races. Every component was chosen to maximize performance on the track or in the woods and to minimize the fuss of getting there. This highly advanced racing ATV comes with all the performance and technology necessary to put riders at the head of the pack.


The KFX450R ATV uses a powerplant based on Kawasaki’s highly acclaimed KX™450F motocross engine. With the addition of an efficient and highly-responsive 32-bit digital fuel injection system, the KFX450R’s engine produces more torque in the low and medium rpm ranges for outstanding hole-shot acceleration. The use of fuel injection helps ensure that the engine’s performance remains consistent and is virtually unaffected by changes in temperature or altitude. This ATV’s ability to find traction is superb, and its four-stroke torque helps keep the wheels hooked-up for improved handling and higher corner speeds. Other race-ready features include a lightweight titanium exhaust header pipe and a durable forged piston.


Winning at the track depends on a chassis that’s built to handle tough race conditions. The KFX450R offers the full benefits of an all-aluminium frame, combining exceptionally light weight with the extreme stiffness needed to win races. However, it isn’t just advanced materials that give the KFX450R its race-winning edge. The front suspension design incorporates extremely long lower A-arms mounted to a single box-section lower frame tube. This results in outstanding response from the front-end. At the rear is a cast aluminium swingarm that provides the ideal balance of flexibility and rigidity resulting in unparalleled traction. The high-tech chassis also features a very low center of gravity and excellent roll resistance. Regardless of changing conditions or rough track surfaces, this race-oriented chassis makes the KFX450R a potent weapon in the battle for ATV supremacy.


Competition-oriented equipment, including the only reverse gear in its class, helps keep the KFX fast and reliable. Previously unheard of in racing, the KFX 450R’s lightweight reverse system lets riders quickly extricate themselves from first turn chaos or dead-end trails. This important feature means on-track incidents (like getting nosed-into a wall) no longer result in an early retirement from the race.


Kawasaki has also made the KFX450R easy to work on, so riders can concentrate on winning instead of wrenching. The two-piece front and rear “lapped” fenders make it possible to replace sections separately if they get damaged. Even the headlight assembly is quickly detachable for closed-course races, and the compact design means that the ATV looks just as aggressive with or without headlights. These features leave little doubt that the new KFX450R was designed to get its rider on the racetrack and winning races as quickly as possible.

    Specifications
    • Engine: Liquid-cooled, four-stroke single, DOHC, four valves per cylinder
    • Displacement: 449cc
    • Bore x stroke: 96 x 62.1 mm
    • Fuel Injection: 32-bit digital, with 42mm Keihin throttle body
    • Starting: Electric
    • Transmission: Five-speed with reverse
    • Final drive: Two-wheel drive, chain
    • Frame type: Aluminum double cradle, racing type
    • Front suspension / wheel travel: Dual A-arms, coil-over shocks / 8.5 in.
    • Rear suspension / wheel travel: Swingarm with piggy-back reservoir shock, dual-rate spring / 10.0 in.
    • Front tires: AT21x7-10
    • Rear tires: AT20x10-9
    • Front brakes: Dual 163mm discs with two-piston calipers
    • Rear brake: 200mm petal-type rotor with single-piston caliper
    • Overall length: 71.1 in.
    • Overall width: 46.0 in.
    • Overall height: 41.9 in.
    • Seat height: 30.9 in.
    • Wheelbase: 49.4 in.
    • Ground clearance: 4.3 in.
    • Lighting: Dual removable headlights
    • Dry weight: 364 lb
    • Fuel capacity: 2.6 gal
    • Footpegs: sport-style serrated
    • Color Choices: Lime Green / Super Black, Bright White / Super Black, Super Black
    • Good Times™ Protection Plan: 12, 24, 36 or 48 months
    • Warranty: 6 Months
    Engine
    • 449cc Liquid-cooled, four-stroke single, DOHC, four valves per cylinder
    • Based on the engine from the World Championship winning KX™450F
    • A lightweight forged piston reduces reciprocating weight
    • Triple piston rings and a 21mm diameter piston pin help increase durability and reduce necessary maintenance
    • The intake ports feature a special coating. The extremely smooth surfaces improve intake efficiency at all rpm
    • Lightweight titanium valves and aluminum valve spring retainers reduce reciprocating weight and boost high-rpm reliability
    • Lightweight high-performance titanium exhaust header contributes to low and mid-range throttle response
    • Electric starting facilitates quicker stall recovery and lowers rider fatigue
    • Large-volume airbox contributes to both intake efficiency and the sharp engine response. An air duct fashioned from polyethylene (known for its ability to resist deformation caused by intake pulses) helps ensure stable engine performance
    • Torque delivery is tuned to match the rear tires’ ability to deliver traction, making it easier to accelerate without excessive wheelspin. Efforts were made to achieve the widest possible torque curve, so that traction can be maximised through a greater part of the rev range
    • Asymmetrical high-acceleration cams yield high intake efficiency
    Digital Fuel Injection
    • 32-bit digital fuel injection system uses a 42mm throttle body. This system measures coolant temperature, air intake temperature, air intake pressure, engine speed and throttle position, then automatically delivers the ideal amount of fuel to optimize power delivery
    • Crisp engine response is especially advantageous for instant acceleration after landing jumps
    • Fuel injection also provides trouble-free starting –a great benefit in races where riders line up with their engines off and need to start their engines before being able to blast away from the starting line
    • Fuel injection allows the use of a lighter throttle return spring. This helps reduce rider fatigue, because less pressure is required at the throttle lever
    Transmission
    • The five-speed (one-down, four-up) manual transmission locates the reverse gear below first. Actuating the reverse-lock release lever when in first gear allows you to shift “down” into reverse
    • Compact reverse-lock release lever can be activated with the right thumb, allowing the reverse gear to be engaged while still keeping the front brake lever depressed
    • The combined weight of the reverse gear system and the lightweight aluminium chassis is no heavier than using a steel frame without reverse
    Aluminum Chassis
    • Highly rigid aluminum frame contributes to the KFX’s excellent handling and traction. The frame’s high torsional rigidity enhances stability in corners and allows the suspension to be easily set up to suit course conditions
    • Designed for high corner speeds, the KFX ATV sits low to the ground, helping to reduce roll tendencies
    • Mounting the battery and coolant tank in front of the engine lowers the center of gravity, and helps weight the front wheels for increased traction when cornering
    • Single box-tube lower frame contains the front A-arm attachment points. This design is narrower than the competition’s frames and enables the use of longer lower A-arms
    Advanced Suspension Design
    • Positive and negative suspension travel enhances the front wheels’ ability to stay in constant contact with the ground. This helps maintain traction and steering authority during hard acceleration and in situations where the ground drops away
    • Dual-rate front springs help deliver progressive suspension travel to provide excellent rough-surface handling
    • Extra-long lower front A-arms help minimize camber variations through the suspension stroke, to maximize front wheel traction and boost stability
    • Motocross style rear shock features both high and low-speed compression adjustability as well as adjustable rebound damping
    • Cast aluminum rear swingarm features curved lines and rounded edges to help disperse stress, as well as different wall thickness for each surface, resulting in a design that is both light and strong
    • The swingarm’s high torsional rigidity contributes to excellent rear wheel traction
    • The rear axle is tapered for reduced unsprung weight
    Front and Rear Disc Brakes
    • Dual front hydraulic disc brakes offer consistently strong stopping performance
    • Petal-type rear brake rotor reduces unsprung weight and helps clean the brake pads for more efficient braking performance in difficult conditions
    • Integrated rear parking brake is designed to be easily engaged and released while wearing gloves. When engaged, the parking brake lever also prevents the clutch lever from being actuated
    Additional Features
    • Two-tone seat features a smooth top surface for excellent rider mobility and slip-resistant sides for good grip when hanging off in corners
    • Seat, tank and side covers are shaped to allow excellent rider mobility and to provide support when hanging off in corners.
    • Tapered Renthal Fatbar offers both strength and light weight
    • Handlebar mount designed to accommodate other MX-type handlebars, enabling riders to select from numerous after-market styles
    • Specially designed rear wheels feature reinforcing plates for the rims. Located on the axle side of the rims, these plates reinforce the rims where strength is most needed while minimizing weight
    • Wide front bumper, can be gripped with two hands to push/pull the ATV
    • Two-piece “lapped” front and rear fenders can be replaced separately in the event they are damaged
    • Detachable front headlight assembly can easily be removed to reduce weight when racing
    • Optional kick-start system is available for MX-style (GNC) races where light weight is a priority
    NOTES:

    Specifications and pricing are subject to change.


    Specifications

    Engine
    Engine Type Four-stroke single, DOHC, four valves per cylinder
    Displacement 449cc
    Bore x Stroke 96 x 62.1 mm
    Cylinders Single
    Engine Cooling Liquid-cooled
    Fuel System Digital Fuel Injection: 32-bit digital, with 42mm Keihin throttle body
    Starting System Electric
    Chassis
    Front Suspension Dual A-arms, coil-over shocks
    Front Travel 8.5 in.
    Front Brake Type Dual 163mm discs with two-piston calipers
    Front Tires AT21x7-10
    Rear Suspension Swingarm with piggy-back reservoir shock, dual-rate spring
    Rear Travel 10.0 in
    Rear Brake Type 200mm petal-type rotor with single-piston caliper
    Rear Tires AT20x10-9
    Frame Aluminum double cradle, racing type
    Dimensions/Capacities
    Dry Weight 364 lbs.
    Fuel Capacity 2.6 gal
    Ground Clearance 4.3 in.
    Machine Dimensions (LxWxH) 71.1 x 46.0 x 41.9 in.
    Wheelbase 49.4 in.
    Drive Train
    Final Drive Two-wheel drive, chain
    Transmission Five-speed with reverse
    General
    Lighting Dual removable headlights
    Colors Lime Green / Super Black, Bright White / Super Black, Super Black
    Warranty 6 Months; Good Times™ Protection Plan: 12, 24, 36 or 48 months

    Compare Models

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    Year 2008    
    Manufacturer Kawasaki    
    Model KFX® 450R    
    Style Sport    
    MSRP* $7,399.00    
    Chassis
    Front Suspension Dual A-arms, coil-over shocks    
    Front Travel 8.5 in.    
    Front Brake Type Dual 163mm discs with two-piston calipers    
    Front Tires AT21x7-10    
    Rear Suspension Swingarm with piggy-back reservoir shock, dual-rate spring    
    Rear Travel 10.0 in    
    Rear Brake Type 200mm petal-type rotor with single-piston caliper    
    Rear Tires AT20x10-9    
    Frame Aluminum double cradle, racing type    
    Dimensions/Capacities
    Dry Weight 364 lbs.    
    Front Rack Capacity      
    Rear Rack Capacity      
    Towing Capacity      
    Fuel Capacity 2.6 gal    
    Ground Clearance 4.3 in.    
    Machine Dimensions (LxWxH) 71.1 x 46.0 x 41.9 in.    
    Wheelbase 49.4 in.    
    Drive Train
    Drive Train      
    Final Drive Two-wheel drive, chain    
    Transmission Five-speed with reverse    
    Engine
    Engine Type Four-stroke single, DOHC, four valves per cylinder    
    Displacement 449cc    
    Bore x Stroke 96 x 62.1 mm    
    Cylinders Single    
    Engine Cooling Liquid-cooled    
    Fuel System Digital Fuel Injection: 32-bit digital, with 42mm Keihin throttle body    
    Starting System Electric    
    Alternator      
    General
    Speedometer      
    Tachometer      
    Odometer      
    Lighting Dual removable headlights    
    Colors Lime Green / Super Black, Bright White / Super Black, Super Black    
    Warranty 6 Months; Good Times™ Protection Plan: 12, 24, 36 or 48 months    

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