Honda CRF 250X


Make Model

Honda CRF 250X


2007 - 08


Four stroke single cylinder, 4 valves


249 cc / 15.2 cu-in
Bore x Stroke 78 x 52.2mm
Cooling System Liquid cooled
Compression Ratio 12.9:1
Lubrication Wet sump


Keihin 37mm flat-slide with throttle position sensor (TPS)


CD with electronic advance and lighting coil 
Starting Electric & kick

Max Power

28.5 hp / 21 kW @ 9000 rpm

Max Torque

24.2 Nm / 2.47 kg-m @ 8000 rpm
Clutch Cable-operated multiplate wet clutch.


5 Speed 
Final Drive #520 T-ring-sealed chain; 14T/53T

Front Suspension

47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability
Front Wheel Travel 315 mm / 12.4 in

Rear Suspension

Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns)
Rear Wheel Travel 315 mm / 12.4 in

Front Brakes

Single 240mm disc 2 piston caliper

Rear Brakes

Single 240mm disc 2 piston caliper

Front Tyre


Rear Tyre

Rake 27°
Trail 118 mm / 4.6 in
Dimensions Length 2174 mm / 85.5 in
Width   827 mm / 32.5 in
Height 1261 mm / 49.6 in
Wheelbase 1480 mm / 58.3 in.
Seat Height 958 mm / 37.7 in
Ground Clearance 346 mm / 13.6 in

Dry Weight

102 kg / 224.8 lbs
Wet Weight 115 kg / 253 lbs

Fuel Capacity 

8.6 Litres / 2.27 gal




Winning magazine shootouts as well as the hearts of serious off-road riders, the CRF250X offers a rare combination of light weight and tractable power in one of the best handling packages in the off-road world.


- New cylinder-head porting inspired by the CRF®250R.
- New piston and rings from the CRF250R.
- Revised ignition mapping.
- Carburetor features new accelerator pump and linkage for improved throttle response.
- New one-piece cover protects throttle cable by keeping out dirt and water.
- New front hub is lighter and stronger.
- Stronger clutch basket and clutch center for improved wear resistance.
- Lighter weight rear chain guide.



- Electric start system for easy starting in all conditions.
- Gas-tank capacity is 2.2 gallons.
- Resettable, easy-to-read three-digit odometer.
- USDA-qualified muffler/spark arrester.

- Powerful 35w halogen headlight features an innovative lens for a wide range of illumination.
- Integrated LED taillight in rear fender.
- Convenient sidestand.
- Easy-access air filter.
- Wide-ratio five-speed transmission.
- Suspension tuned for competitive off-road riding needs.
- 18-inch rear wheel for greater flat-tire protection.
- T-ring-sealed chain is narrower, stronger and lighter compared to conventional O-ring chains.


- Powerful four-stroke 249cc liquid-cooled four-valve Unicam® engine is designed to produce power across a wide rpm band for easy-to-control operation.
- Electric starter drives the clutch side of the crankshaft to provide superior lubrication to starter gears, and produce a narrow engine with a short, strong crankshaft.
- Lightweight, compact, internal auto decompressor system provides superb cold-starting and hot-starting operation.
- Compact, lightweight engine assembly weighs only 58.2 pounds.
- Unicam valve train provides the light weight of a compact single-cam design and the optimum combustion chamber shape for maximum power at all engine rpm.
- Unicam valve train features a carburized single camshaft that directly actuates two 31mm titanium intake valves. The camshaft exhaust lobe actuates two 26mm steel exhaust valves via a forked, low-friction, roller rocker-arm.
- Lightweight titanium intake valves permit use of smaller valve springs, reducing overall engine height.
- Crankshaft is made of high-strength, low-carbon steel with carburized main journals for maximum durability at sustained high-rpm operation.
- ACG cover, clutch cover and cylinder-head cover are made of magnesium to reduce engine weight.
- Forged 12.9:1 compression slipper piston is lighter than a conventional design, revving quickly while maintaining excellent cylinder sealing and high-rpm power.
- Double-carburized connecting rod utilizes a big-end needle bearing for maximum high-rpm performance and durability.
- Nikasil cylinder lining is lightweight and provides cooler and quieter operation for extended engine life.
- 37mm Keihin FCR-type carburetor features four rollers on the flat slide, resulting in very light throttle effort, smooth operation, crisp throttle response and excellent rideability.
- Carburetor features a throttle position sensor (TPS) that helps maintain linear throttle response throughout the rpm range.

- Twin-sump lubrication system separates the oil supply for the crankshaft, piston and valve train from the clutch and transmission. This ensures a cool supply of oil to the clutch, eliminates clutch and transmission material contamination of the engine oil, reduces the amount of circulating oil and permits the use of a smaller oil pump.
- Vertically split crankcases feature a built-in oil pump, reducing weight compared to a conventional design.
- Exhaust system uses a lightweight stainless steel exhaust header and muffler equipped with spark arrester.
- Dual radiators feature a refined core area for improved heat dissipation compared to conventional dual-radiator design, and coolant recovery tank.
- Gear-driven balancer reduces vibration and drives the water pump. Eight clutch plates provide the surface area necessary to handle the engine's massive torque, while carefully matched clutch springs provide a light feel at the lever.
- T-ring-sealed chain is approximately 1.6mm narrower and is stronger compared to conventional chains.
- Durable five-speed wide-ratio transmission.


- Fourth-generation twin-spar aluminum frame is derived from Honda's CR® series. Forged-aluminum steering head and tapered downtube section are designed to optimize frame rigidity. In addition, tall swingarm pivot plates and narrow frame spars create a narrow overall frame cross-section for superb rider comfort and maneuverability.

- Semi-double-cradle frame design features a single, large-diameter tapered downtube. Two rugged box-section rails attach to the base of the downtube and support the engine. A forged-aluminum steering head provides a compact and extremely durable mount for the frame spars and engine downtube.

- The aluminum frame design is matched to rider ergonomics to maximize handling and control.

- Swingarm features a dual-axis, double-taper design with a large cast-aluminum cross-member.

- 18-inch rear wheel features same lightweight rear hub and HRC works-type lightweight aluminum spoke nipples as used on the CRF250R.

- Front wheel features large-diameter front axle and wide wheel-bearing span for excellent rigidity.

- Rear-axle diameter of 25mm and large-diameter bearings provide optimum rigidity to withstand torturous off-road conditions.

- Lightweight 47mm inverted Showa twin-chamber cartridge fork with aluminum dampers is derived from the CRF250R but features settings unique to the CRF250X. The fork offers 12.4 inches of travel, and 16-position rebound and 16-position compression damping adjustability. The inner surface of the front fork outer-tubes receives the same honing treatment as works bikes for low-friction operation.

- Pro-Link® single-shock rear suspension system features a fully adjustable Showa rear damper and 12.4 inches of wheel travel, separate low-speed (13 positions) and high-speed (3.5 turns) compression damping adjusters, and 17-position rebound damping.

- Rear shock damper piston diameter is 50mm for consistent performance under demanding riding conditions.

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

- HRC works-type rear brake system integrates the rear master cylinder and fluid reservoir, eliminating the need for a remote master cylinder reservoir and hose assembly.

- Large 240mm front and rear brake discs.

Additional Features

- All plastic body components (radiator shroud, side covers, rear fender, seat base, fuel tank, front fender and front number plate) offer slim, aggressive styling and light weight.
- Rider ergonomics are optimized by adapting the handlebar, seat and footpeg height to place the rider's legs at the narrowest cross-section of the frame for improved comfort and handling feel.
- Seat cushion uses foam construction that follows the shape of the fuel tank, providing a smooth transition to increase rider mobility and comfort.
- "Non-slip" seat cover for increased rider control.
- Rear brake pedal and shift lever are made of lightweight aluminum and are designed to complement the riding position. Brake pedal features optimized ratio to match integrated rear-brake master-cylinder design.
- Wide, cleated stainless steel footpegs are self-cleaning, resist corrosion, provide excellent grip and fold for extra ground clearance.
- Aluminum Renthal handlebar (971 bend) is rubber-mounted to reduce rider fatigue and improve comfort.
- CR handlebar holders provide three different mounting positions: standard CRF250X holder (CRF450R/CR125R/CRF250R-type) provides +/- 3mm fore or aft position to match rider preference, and optional holder (CR250R-type) provides neutral position.
- Works-type handlebar grips add to rider comfort.
- Adjustable front brake lever.
- Quick-adjust clutch.
- Chain guide material offers improved wear resistance, and service life is five times greater than conventional materials.
- Front disc brake cover helps protect rotor and caliper from damage.
- Removable rear subframe allows easy maintenance.
- Washable, two-stage foam air filter for optimal engine protection and easy maintenance.
- Comfortable, durable controls and high-quality fasteners.
- Stainless steel clutch cable for long life.
- Honda Racing™-inspired colors and graphics.
- Purchase of a new, previously unregistered Honda unit by an individual retail user in the United States qualifies the owner for a one-year complimentary membership in the Honda Rider's Club of America™ (HRCA®). Benefits include online access to the Honda Common Service Manual, six issues of the bimonthly Honda Red Rider™ magazine, travel discounts, trip routing, MSF reimbursement, plus access to the HRCA Web site (www.hrca.honda.com). Look for the HRCA support team at select off-road events across the country. For details on the HRCA, dealers should call (310) 783-3958, 8:30 a.m. to 5 p.m. Pacific Time.