2004 Kawasaki KX250F — Transworld Motocross

14 Фев 2015 | Author: | Комментарии к записи 2004 Kawasaki KX250F — Transworld Motocross отключены
Kawasaki Square Four 2 Stroke Prototype

2004 Kawasaki KX250F

enters the high-revving arena of MX bikes

After months of speculation, Kawasaki Motors U.S.A. announced it is indeed the world of four-… motocross the brand’s first-ever four-… bike. The all-new Kawasaki for 2004 extends Kawasaki’s history of building championship-winning motorcycles, taking its place to the entire race-winning KX model

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With an all-new four-… engine, new Kawasaki frame and suspension, the KX250F is for one purpose: victory in 125-class and Supercross competition. “The is designed to be lighter, faster and handling than the competition,” Steve Fischer, off-road product manager for Kawasaki. as important, it’s easier to so KX250F racers can look to more wins at the track.”

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The KX250F is powered by a 249cc, four-…, single-cylinder engine double overhead cams and valves. With an over-square and … of 77.0 x 53.6mm to ensure high revs, it a forged piston, chrome plated aluminum cylinder, valves, billet camshafts and steel tappets.

[IMAGE 3]

The “semi-dry” oil sump contributes to a low of gravity. Oil is routed internally the cylinder’s bolt passageways, the weight and complexity of external oil and increasing the engine’s durability.

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To help keep the KX250F as as possible, several engine are made from lightweight including magnesium generator, clutch and cylinder head titanium exhaust headpipe and silencer.

The KX250F is designed to easily, whether hot or cold, due to its Automatic Compression Release system and hot start circuit. slightly opens one exhaust while the engine is being started to ease compression. The FCR37 flat-slide carburetor, is operated by a push-pull throttle, is equipped with hotstart

If the KX250F is tipped over or the rider pulls a small that is unitized with the lever, drawing extra air the carburetor to give it a leaner, fuel mixture, making easier.

Ignition is provided by a AC-CDI system featuring a ignition map and rev limiter. When the is in neutral, the ignition allows for a low speed. When the transmission is in the second ignition map is used, idle rpm for reduced engine-braking

The new engine is matched to a quick-shifting, transmission. The transmission uses a shift mechanism for light action, and clutch components are the as those used on the KX125.

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The KX250F frame has new D-section on the upper frame rails, the slim bodywork to “hug” the more tightly. Plus, width has been narrowed at the footpegs. Combined with a rake angle and foot that are placed higher and together in the frame, the slimmer improves rider position on the for enhanced cornering performance.

A new semi-sealed, 48mm inverted fork with 11.8 of travel handles front duties for the KX250F and features compression and rebound damping On the rear, a revamped UNI-TRAK® suspension provides 12.2 of travel with 16-way and rebound damping settings.

previous KX models in which the link was anchored to the frame, the on the new system is anchored on the swingarm. drastically reduces front-to-back of the Kayaba shock as the suspension is resulting in smoother suspension and significantly improved traction, while accelerating.

Stopping power is provided by a 250mm front disc The brake hose is made of a layer of Kevlar and is routed to the front caliper, improving feel and reducing weight. The rear brake features a compact caliper to ensure clearance for the muffler when the is fully compressed, and the brake is forged for high strength and weight.

The KX250F is fitted lightweight wheels and mounted 80/100-21 Bridgestone M51 front and M57 rear tires. A 20-inch wheel is also available as an through Kawasaki dealers.

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Restyled bodywork distinguishes the from its two-… cousins, a longer rear fender, covers that are more in shape and sharply angled shrouds that give the an aggressive, “streamlined” stance. the seat is flatter than on KX models and features a textured cover. In addition to redesigned guards, the KX250F also an aluminum skid plate and side guards to protect the

Because the KX250F engine is fuel efficient, the fuel has a 2.0-gallon capacity, providing weight savings.

Like all KX the new KX250F comes with the of Team Green„¢, Kawasaki’s support program. Team regional support vehicles and trained technicians provide information and assistance for anyone who or races a Kawasaki. Team also offers a comprehensive program for amateur and professional who place well at designated

Information about the new KX250F and Kawasaki’s complete line of recreational products can be found on the at www.kawasaki.com. Accessories for KX motocross can also be purchased online at .

Kawasaki Motors Corp. (KMC) markets and sells at Kawasaki motorcycles, ATVs, JET watercraft, MULE„¢ utility power products and small Kawasaki’s tagline, Let the good roll„¢, is recognized worldwide for the of fun, adventure and high that characterizes the Kawasaki vehicle line. Kawasaki lines are sold through a of more than 1,500 retailers.

The company and its affiliates employ 2,400 people in the United with approximately 550 of them at the Irvine, California headquarters.

KX250F

Features and Benefits:

four-… single cylinder was designed using the latest resulting in a lightweight, compact and engine that produces torque throughout the entire rpm

Automatic centrifugal decompression to ease starting

37mm FCR flat-slide carburetor equipped TPS, and the accelerator pump to quick throttle response

bore and … of 77.0 x helps ensure high at high rpm

Thin-wall cylinder contributes to lightweight, compact

Chrome composite plated cylinder is extremely short to over-cooling of crankcase and subsequent loss

Forged, two-ring is tin-plated to reduce wear and the skirts have fine to help ensure oil retention and low

Billet cam profiles are designed for powerband and high peak

Two-stage ignition system low idle speed when is in neutral; when in gear, it idle rpm for reduced engine

Semi-dry sump design oil away from the crankshaft to pumping loss and contributes to a center of gravity

Reed located between the crankcase and case reduces pumping and prevents oil from re-entering chamber

Oil feed to top end is internal, via passageways, eliminating the weight and of external oil lines and increasing

One-piece water pump/oil cover saves weight and to compactness

Lightweight 3-way molded cooling hose need for junction and clamps

valves and headpipes, magnesium outer clutch and cylinder covers reduce overall

Transmission

Five-speed uses system for light shifting

Clutch utilizes the same components as found on the KX125

perimeter frame borrows technology from race-winning and KX250

New D-section upper allows bodywork to “hug” the more tightly—the slimmer improves rider position for cornering

Adjustable rubber mounts help reduce

Steep rake angle cornering performance

Footpegs are higher and more closely allowing more bank when turning

Front

New Kayaba semi-sealed, 48mm cartridge fork features valves to control internal resulting in precise damping and fork action throughout the

Rear Suspension

New UNI-TRAK® suspension link is anchored on the drastically reducing front-to-back of the shock, resulting in smoother, stable action and improving at the rear wheel when

Rear shock features a bolt to facilitate oil changes

the link anchors on the swingarm than the frame, engineers able to construct a lighter

Wheels/Tires

Front and rear feature an extremely light

Front spokes are stepped at the nipple and at the hub for lighter weight

front disc brake uses Kevlar hose directly to the front caliper, strong brake performance

rear brake system a lighter, compact caliper to adequate clearance for the muffler the suspension is fully compressed

Brake pedal is forged for strength and light weight

tank, seat, rear side covers and radiator give it sharp, aggressive

Right side cover has shielding to deal with temperatures from the large

Fuel tank capacity is 2.0 the more fuel-efficient four-… gives the KX250F an increased range

Kawasaki Options Through Kawasaki Dealers)

and steel sprockets

Carburetor parts

Front fork and shock springs

Flywheel allow riders to alter the of engine inertia to suit style and track conditions

handlebar-mounted lever allows operation of engine decompression, it easier to clear a flooded

20-inch front wheel

KX250F SPECIFICATIONS*

Five-speed ratchet system for light action

Clutch utilizes the dependable components as found on the

Kawasaki perimeter frame proven technology from KX125 and KX250

New D-section tubing allows bodywork to the frame more tightly—the profile improves rider for enhanced cornering

Adjustable handlebar mounts help vibration

Steep rake enhances cornering performance

are located higher and more together, allowing more angle when turning

Suspension

New Kayaba semi-sealed, inverted cartridge fork check valves to control pressure, resulting in precise and better fork action the …

Rear Suspension

New rear suspension link is on the swingarm, drastically reducing movement of the shock, resulting in more stable action and traction at the rear wheel accelerating

Rear shock a bleeder bolt to facilitate oil

Because the link anchors on the rather than the frame, were able to construct a frame

Wheels/Tires

Front and rims feature an extremely design

Front spokes are both at the nipple and at the hub for lighter

Dual-piston front disc system uses Kevlar routed directly to the front producing strong brake

Lightweight rear brake uses a lighter, compact to ensure adequate clearance for the when the suspension is fully

Brake pedal is forged for strength and light weight

tank, seat, rear side covers and radiator give it sharp, aggressive

Right side cover has shielding to deal with temperatures from the large

Fuel tank capacity is 2.0 the more fuel-efficient four-… gives the KX250F an increased range

Kawasaki Options Through Kawasaki Dealers)

and steel sprockets

Carburetor parts

Front fork and shock springs

Flywheel allow riders to alter the of engine inertia to suit style and track conditions

handlebar-mounted lever allows operation of engine decompression, it easier to clear a flooded

20-inch front wheel

KX250F SPECIFICATIONS*


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