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2010 Honda CRF250X

2010 Honda CRF250X

Introduction

The incomparably fun and high-spirited CRF250X combines light weight, strong, versatile power and
confidently responsive handling in one of the finest dirt bikes to be found in the world of off-road riding. Hailed by magazines and serious off-road riders everywhere, the remarkable CRF250X also features the easy dependability of push-button electric starting, endurostyle lights to extend your fun after the sun goes down, and the strong, versatile performance of a motocross champion that anybody can enjoy. One ride confirms: the CRF250X pumps out more high-flying fun than you’ve ever had in the dirt.

Colours

  • Extreme Red (with White number plate and sidecovers)

Features and Benefits

New Features

  • New Works-style front and rear brake rotors reduce unsprung weight.
  • New Dunlop 742FA front tyre for improved turning feel and traction.
  • New narrow-design fuel tank and seat for improved rider ergonomics.

Unique Features

  • Push-button electric start system for easy start-ups in all conditions.
  • Ample 7.6-litre fuel tank capacity.
  • Resettable, easy-to-read three-digit competition odometer.
  • Spark arrester-equipped silencer complies with all local fire and noise regulations.
  • Exhaust emissions comply with all local regulations for off-road motorcycles.
  • Powerful 35-watt halogen headlight features innovative lens design for wide range of illumination.
  • Eye-catching LED taillight integrated into rear fender.
  • Convenient sidestand.
  • Easy-access urethane foam air filter.
  • Smooth-shifting wide-ratio 5-speed transmission.
  • Suspension tuned for competitive off-road riding needs.
  • 18" rear wheel provides enhanced protection against flat tyres.

Engine/Drivetrain

  • Powerful liquid-cooled, electric-start 249cm³ 4-stroke 4-valve Unicam engine is designed to produce strong power across a wide rev range for easy-to-control operation.
  • Unique Honda Unicam valve train provides both the light weight of a compact single-cam design and an
    optimum combustion chamber shape for maximum power at all engine speeds.
  • Unicam valve train features a single carburised camshaft directly actuating two 31mm titanium intake
    valves. The camshaft’s centre exhaust lobe actuates two 26mm steel exhaust valves via a forked, low-friction, roller rocker-arm.
  • Electric starter drives the clutch side of the crankshaft to provide superior lubrication of starter gears, while making possible a narrow engine with a short, strong crankshaft.
  • Compact, lightweight engine assembly weighs only 26.4kg.
  • Magnesium ACG cover, clutch cover and cylinder head cover reduce engine weight.
  • Forged 12.9 : 1 compression slipper piston is lighter than conventional designs, for quick-revving response while maintaining excellent cylinder sealing and high-rpm power.
  • 37mm Keihin FCR-type carburettor features four flat slide rollers for light throttle effort, smooth operation, crisp throttle response and excellent rideability.
  • Carburettor features throttle position sensor (TPS) that helps maintain linear throttle response throughout
    the rpm range.
  • Twin-sump lubrication system separates oil supply to crankshaft, piston and valve train from supply to clutch and transmission. This ensures a steady supply of cool 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.
  • 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 designs, and a compact coolant recovery tank.
  • Gear-driven balancer reduces vibration and drives the water pump.
  • Eight-plate clutch provides surface area necessary to handle engine’s strong torque, while carefully matched clutch springs provide a light feel at the lever.
  • T-ring-sealed chain is approximately 1.6mm narrower and stronger than conventional chains.
  • Durable 5-speed wide-ratio transmission.

Chassis/Suspension

  • Fourth-generation twin-spar aluminium frame derived from Honda’s CR series of championship motocrossers.
  • Semi-double-cradle frame design features a single, large-diameter tapered down-tube for optimised frame rigidity, with two rugged box-section rails attached to its base to support the engine. A forged aluminium steering head provides a compact and extremely durable mount for the frame spars and engine down-tube.
  • Narrow frame spars and tall swingarm pivot plates combine to create a narrow overall frame cross-section for superb rider comfort and manoeuvrability.
  • Lightweight, 47mm Showa inverted twin-chamber cartridge-type fork with aluminium dampers is derived from the CRF250R and features settings unique to the CRF250X. The fork offers 280mm of travel, 16-step rebound and 16-step compression damping adjustability. The inner surfaces of the front fork outer tubes receive the same honing treatment as Works bikes for low-friction operation.
  • Pro-Link rear suspension system features single, fully adjustable Showa rear damper with newly revised
    damper settings and 312mm of wheel travel, separate low-speed (13-step) and high-speed (3.5 turns)
    compression damping adjusters, and 17-step adjustable rebound damping.
  • Large 50mm rear damper piston diameter provides consistent performance under demanding riding
    conditions.
  • Swingarm features a dual-axis, double-taper design with a large cast aluminium cross-member offering high strength and light weight.
  • Front wheel features large-diameter front axle and wide wheel-bearing span for excellent rigidity.
  • 18" rear wheel features same lightweight rear hub and lightweight HRC Works-type aluminium spoke nipples as used on CRF250R for reduced unsprung weight.
  • Large, 25mm-diameter rear axle and large-diameter bearings provide optimum rigidity and strength to
    withstand torturous track conditions.
  • Compact dual-piston front brake calliper, anodised aluminium brake pistons and lightweight front brake rotor minimise unsprung weight for improved turning and handling.
  • Large, 240mm Works-type front and rear brake rotors.
  • 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.

Additional Features

  • All plastic body components (including radiator shroud, side covers, rear fender, seat base, fuel tank,
    front fender, and front number plate) are designed for slim, aggressive styling and light weight.
  • Rider ergonomics optimised by adapting handlebar, seat and footpeg height to place rider’s legs at frame’s narrowest frame width for improved comfort and handling feel.
  • Rear brake pedal and shift lever made of lightweight aluminium and designed to complement riding position. Brake pedal features optimised ratio to match integrated rear brake master cylinder design.
  • Wide, cleated stainless steel footpegs are selfcleaning, resist corrosion, provide excellent grip and fold
    for extra ground clearance.
  • Aluminium Renthal handlebar (971 bend) is rubbermounted to reduce rider fatigue and improve comfort.
  • Handlebar holders provide two different mounting positions to match rider preference.
  • Works-type handlebar grips add to rider comfort.
  • Adjustable front brake lever.
  • Quick-adjust clutch.
  • Chain guide material offers improved wear resistance, with five times longer service life than conventional materials.
  • Front disc brake cover helps protect rotor and calliper from damage.
  • Removable rear sub-frame 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 colours and graphics.