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2006 Honda CRF250X

CRF250X

The CRF250X has made a big name for itself winning magazine shootouts as well as the hearts and minds of serious off-road riders everywhere. Now with weight trimmed and performance tuned for even more exciting riding enjoyment, the CRF250X offers a rare combination of light weight and tractable power in one of the best handling packages in the off-road world.

On top of that, the CRF250X gives you the extra-added convenience of easy and reliable push-button electric starting, a smooth-shifting wide-ratio transmission, endurostyle lights for when your fun keeps going after the sun goes down, and versatile performance that's been specially tuned for more high-flying fun than you've ever had in a single dirt-riding machine. Looking for the performance of a motocross champion in a dirt bike that anybody can enjoy? Look no further than the CRF250X.

Colours;

  • Extreme Red (with White number plate and sidecovers)
  • Features and Benefits;

    New Features;

  • New lighter weight rear wheel hub.
  • New lighter weight swingarm.
  • New lighter weight rear damper body.
  • Lightweight front fork guards and cable brackets borrowed from CRF450X.
  • New front axle placement same as CRF250R for improved fork action and turning capability.
  • Overall weight reduced by 0.5kg.
  • Honda Racing-inspired colours and graphics.
  • Unique Features;

  • Push-button electric start system for easy start-ups in all conditions.
  • Exhaust emissions comply with all local regulations for off-road motorcycles.
  • Ample 8.3-litre fuel tank capacity.
  • Resettable, easy-to-read three-digit competition odometer.
  • Spark arrester-equipped silencer complies with all local fire and noise regulations.
  • 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 enduro riding needs.
  • 18" rear wheel provides enhanced protection against flat tyres.
  • T-ring sealed chain is narrower, stronger and lighter than conventional chains.
  • Engine/Drivetrain;

  • Powerful liquid-cooled 249cm3 4-stroke 4-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 of starter gears, while making possible a narrow engine with a short, strong crankshaft.
  • Lightweight and compact built-in auto decompressor system provides superb coldstarting and hot-starting operation.
  • Compact, lightweight engine assembly weighs only 26.4kg.
  • 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 from above. The camshaft's centre 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.
  • High-strength, low-carbon steel crankshaft with carburised main journals for maximum durability at sustained high-rpm operation.
  • 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.
  • Double-carburised connecting rod utilises big-end needle bearing and thrust washers for maximum high-rpm performance and durability.
  • Lightweight NiCaSil cylinder lining ensures cooler and quieter operation for extended engine life.
  • Press-fitted spark plug pipe fits between forked exhaust rocker arms, further contributing to compact cylinder head design.
  • 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.
  • Vertically split crankcases feature a built-in oil pump, reducing weight compared to conventional designs.
  • 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 downtube 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 downtube.
  • Forged aluminium steering head and tapered downtube section designed for optimised frame rigidity. Narrow frame spars and tall swingarm pivot plates combine to create a narrow overall frame cross-section for superb rider comfort and manoeuvrability.
  • The aluminium frame design is matched to rider ergonomics to maximise handling and control operation.
  • 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 315mm 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 a single, fully adjustable Showa rear damper and 315mm 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.
  • Thick 25mm rear axle diameter and large-diameter bearings provide optimum rigidity and strength to withstand torturous track conditions.
  • Large, 240mm front and rear brake rotors.
  • Compact dual-piston front brake calliper, anodised aluminium brake pistons and lightweight front brake rotor minimise 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.
  • Additional Features;

  • All plastic body components (including radiator shroud, sidecovers, rear fender, seat base, fuel tank, front fender, and front headlight) are designed for slimmer, more aggressive styling and light weight.
  • Rider ergonomics optimised by adapting handlebar, seat and footpeg height to place rider's legs at frame's narrowest cross-section 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 enhances rider control.
  • 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 self-cleaning, resist corrosion, provide excellent grip and fold for extra ground clearance.
  • Aluminium 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, 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.
  • Technical Specifications - CRF250X (ED-type);

  • Engine Type - Liquid-cooled 4-stroke 4-valve SOHC single
  • Displacement - 249.4cm3
  • Bore x Stroke - 78 x 52.2mm
  • Compression Ratio - 12.9 : 1
  • Max. Power Output - 20.5kW/9,000min-1 (95/1/EC)
  • Max. Torque - 22.9Nm/8,000min-1 (95/1/EC)
  • Fuel System;

  • Carburation - 37mm Keihin FCR flat slide carburettor with Throttle Position Centre (TPS)
  • Fuel Tank Capacity - 8.3 litres (including 1.5-litre reserve)
  • Electrical System;

  • Ignition System - Computer-controlled digital capacitor discharge with electronic advance and lighting coil
  • Starter - Electric / Primary kick
  • Drivetrain;

  • Transmission - 5-speed
  • Primary Reduction - 3.611 (65/18)
  • Gear Ratios - 1; 2.384 (31/13), 2; 1.750 (28/16), 3; 1.333 (28/21), 4; 1.041 (25/24),5; 0.814 (22/27)
  • Final Reduction - 3.786 (53/14)
  • Final Drive - #520 T-ring roller chain
  • Frame Type - Semi-double cradle; aluminium twin-spar
  • Chassis;

  • Dimensions - (LxWxH) 2,174 x 827 x 1,263mm
  • Wheelbase - 1,481mm
  • Caster Angle - 27 54'
  • Trail - 118mm
  • Seat Height - 958mm
  • Ground Clearance - 346mm
  • Dry Weight - 102kg
  • Kerb Weight - 115kg
  • Suspension;

  • Type - Front, 47mm inverted Showa leading-axle twin-chamber cartridgetype telescopic fork with 16-step adjustable compression and rebound damping; 280mm axle travel
  • Rear - Pro-Link with single Showa damper, adjustable low-speed (13- step) and high-speed (3.5-turn) compression and 17-step rebound damping; 315mm axle travel
  • Wheels;

  • Type - Front, Aluminium rim/wire spoke
  • Rear - Aluminium rim/wire spoke
  • Rim Size - Front, 21 x 1.60
  • Rear - 18 x 2.15
  • Tyres - Front, 90/90-21M/C 54R
  • Rear - 120/90-18M/C 65R
  • Brakes;

  • Type - Front, 240 x 3mm hydraulic disc with dual-piston calliper and sintered metal pads
  • Rear - 240 x 4mm hydraulic disc with single-piston calliper and sintered metal pads
  • All specifications are provisional and subject to change without notice.