Honda CRF250R

The innovative design has made Honda 'the double-s silent CRF250R a champion on the track and a repeat-winner of multiple-comparison tests of time in the compartment.
New for 2009
A new form of combustion chamber of the cylinder-head improves the power in the lower to mid-RPM range.

The density of the longest new exhaust is tuned to work with the new cylinder head for improved power.

Displacement more positive output arm of the transmission gears of the new four-dog, reviewed the cylinder and the cylinder displacement of the displacement.

The front brake rotor refurbished the work-style of 240mm is 1.3 ounces lighter. The protective front of the disk is smaller, lighter and exhaled.

The new brake rotor 240mm rear features of the pattern of work-style and is lighter 1.0 ounces. The new protective plastic disk retains 4 grams of weight.

Tampa's new cylinder-head of the gray-colored magnesium, the clutch cover and left sidecover.

The new design of the handshake is 3mm longer.


Engine / Drivetrain
Engine liquid-cooled four-stroke Unicam ®'s powerful four-valve 249cc (see the technology).

The valves of entry of lightweight titanium allow the use of smaller valve springs and reduce the total height of the engine.

The cover of ACG, the cover of the clutch cover and cylinder-head is made of magnesium to reduce the weight of the engine.

13.1:1 forged - the piston rings and the compression of the slider is clearer than a conventional design, revving quickly while maintaining the sealing of the cylinder and the high-RPM excellent.

The system of decompression and handlebar-mounted hot-start the system operation to provide wonderful, warm a little weight, compact, internal, self or cold.

The liner of the cylinder of lightweight Nikasil operation provides a more fresh and more quiet for long engine life.

Of the 40mm Keihin FCR carburetor features four rollers on the flat slide, resulting in the overall course of the pressure regulator, the smooth operation, the response of the pressure regulator roasted and excellent rideability.

The carburetor features a sensor to the throttle position (TPS) that helps maintain a linear response of the pressure regulator for the entire scale and for a new flood response smoother power.

The lubrication system of the Twin-tank separates the oil subministro to train the crankshaft, piston and valve of the clutch and transmission. This ensures a source of fresh oil to the clutch, eliminates clutch and transmission of material contamination of engine oil and reduces the amount of oil movement, enabling the use of a smaller oil pump.

The ventilation system of the double-silencer centralizes the mass and reduces turning up the inertia to improve the feeling of low weight of the bike.

The system of double-silencer exhaust also increases the low-RPM torque.

The ventilation system of USA a lightweight stainless header and a few quiet aluminum repackable.

The Gear-driven balancing reduces vibration and leads to pump water.

Rough clutch of eight-disc and springs combined with care for the feeling of the clutch lever in clear.

Transfer of sustainable close-ratio of five-speed.


Chassis / suspension
Table of Aluminum Twin-spathe Fourth-generation head of the direction of forge-aluminum (see the technology).

HPSD features a compact damper attached to the lower triple clamp and steering head to allow some of the more aggressive steering characteristics and assist straight-line handling. Dampen the action smoothly progresses as handlebar deflection of the increases, which produces very natural characteristics and feel of the steering.

The work-type lightweight-aluminum HRC characteristic of the front wheels and rear spoke nozzles.

The front wheel features the large-diameter front axle and wide extension of the wheel-bearing for excellent rigidity.

The large diameter of 25mm rear axle and the large-diameter bearings provide significant rigidity to withstand torturous conditions of the trail.

Inverted fork revised, refined cartridge of Twin-chamber (see the technology).

Pro-Link ® rear suspension with the new damper settings (see the technology).

The large diameter of 50mm to the rear piston of the shock damper for consistent performance under the demands of riding conditions.

The Link-type front brake master cylinder and a rotor of lightweight brake provides strong braking.

The caliper brake Compact twin-piston front of the piston of the brake-anodized aluminum for lightweight and disc brake front minimize unsprung weight for improved turning and handling.

The work-type HRC brake system integrates the rear shell back of the master cylinder and fluid, eliminating the separate reservoir and hose.

Great work-style brake discs front and rear to 240mm.


Additional features
The design of the framework allows sidecovers the airbox have the largest entry of products, contributing significantly to the airflow in the mid-and upper-scale RPM.

The ergonomics of the rider is improved adjusting the height of the handlebars, seat and footpeg to put the knight 's at the feet of the narrowest width of the frame for improved comfort and handling.

Front of D742FA and Dunlop D756 rear tires for improved traction and trapped.

The aid of the front cover of protecting the disc brake rotor and caliper from damage.

The removable rear subframe allows easy maintenance.

Washable air filter, the two-stage foam for optimal engine protection and easy maintenance.

Controls comfortable, durable and high quality fasteners.

Cable Stainless-steel clutch for long life.

Competence of Honda - inspired colors and graphics.

The rear brake pedal and shoe bending the shift lever are made of lightweight aluminum and designed to complement the riding position.

The characteristics of the brake pedal improved the relationship to combine the integrated project of the master-cylinder rear-brake.

Broadly, the footpegs shoes, stainless steel, are self-cleaning, resist corrosion, provide the excellent grip and fold for the extra distance to land.

The aluminum Renthal handlebar (971 bend) is rubber-mounted to help reduce fatigue and improve the rider's comfort.
 
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