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2007 Honda CRF250R
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2007 Honda CRF250R

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2007 Honda CRF250R

With its blazing 4-stroke engine performance and unique mass-centralised dual silencer exhaust system, the CRF250R provides a potent blend of quick-revving, racebred 4-stroke performance and crisp, responsive handling that dominates the motocross circuit's tight berms and big air jumps with confident ease.

The CRF's innovative, liquid-cooled 4-valve Unicam engine pumps out a wide band of useable power that charges out of the corners and to the front of the pack. And its rugged, lightweight aluminium frame and fully optimised suspension systems provide amazing control that smokes the competition right out of the box. Racing never fails to improve the breed, and the CRF250R is a pure-bred performer that's always one step ahead.


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

  • New camshaft and cylinder-head porting improve power output above 8,000rpm.
  • New intake valve springs match new camshaft.
  • New crankcase venting for improved engine power.
  • New exhaust header works in conjunction with new camshaft.
  • New carburettor features new-styled accelerator pump and linkage for improved throttle response.
  • New ignition map with 13,370rpm rev limit.
  • New clutch basket features increased thickness for additional strength.
  • New front suspension valving improves bump absorption.
  • New link-type front brake master cylinder improves front braking power by 15 percent.
  • New Dunlop 742FA front tire provides improved turning feel and traction.
  • New one-piece cover protects throttle cable by keeping out dirt and water.
  • Lighter rear chain guide.
  • Engine/Drivetrain

  • Powerful 249cm3 liquid-cooled 4-stroke 4-valve Unicam engine designed to produce power across a wide rpm range for easy-to-control operation.
  • Lightweight and compact internal auto decompressor and handlebar-mounted hotstart system provide superb operation, hot or cold.
  • Compact, lightweight engine assembly weighs only 23.9kg.
  • Unicam valve train provides both the light weight of a compact single-cam drive and an optimum combustion chamber shape for maximum power at all engine speeds.
  • Unicam valve train features a single carburized camshaft directly actuating two 31mm titanium intake valves. The camshaft's centre exhaust lobe actuates two 26mm steel exhaust valves via a low-friction forked 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.
  • Forged slipper piston and rings are lighter than conventional designs, revving quickly while maintaining excellent cylinder sealing, high 12.9 : 1 compression ratio and high-rpm power.
  • Double-carburised connecting rod utilises a big-end needle bearing for maximum high-rpm performance and durability.
  • Lightweight NiCaSil cylinder lining ensures cooler and quieter operation for extended engine life.
  • Lightweight press-fitted aluminium spark plug pipe fits between forked exhaust rocker arms, further contributing to compact cylinder head design.
  • 40mm Keihin FCR carburettor features four rollers on the flat slide, resulting in very light throttle effort, smooth operation, crisp throttle response and excellent rideability.
  • Carburettor features a Throttle Position Sensor (TPS) that helps maintain linear throttle response throughout the rev range.
  • Twin-sump lubrication system separates oil supply to crankshaft, piston and valve train from clutch and transmission. This ensures a steady supply of cool oil to the clutch, eliminates clutch and transmission material contamination of the engine oil, and reduces the amount of circulating oil and the required oil pump size.
  • Vertically split crankcases feature a built-in oil pump, reducing weight compared to conventional designs.
  • Gear-driven balancer reduces vibration while also driving the water pump.
  • Eight-plate clutch provides ample surface area to handle the engine's massive torque, while carefully matched clutch springs provide a light feel at the lever.
  • Durable five-speed close-ratio transmission.
  • Dual-muffler exhaust system centralises mass and reduces turning inertia to improve the CRF250R's lightweight feel.
  • Dual-muffler exhaust system also increases low-rpm torque.
  • Exhaust system uses a lightweight stainless exhaust header and repackable aluminium silencers.
  • Dual radiators feature a refined core design for more effective heat dissipation compared to conventional dual-radiator configurations.
  • Chassis/Suspension

  • Fourth-generation twin-spar aluminium frame derived from Honda's CR series of champions. Forged aluminium steering head and tapered down-tube section are designed to optimise frame rigidity, while tall swingarm pivot plates and thin frame spars create a narrow overall frame cross-section for superb rider comfort and manoeuvrability.
  • Frame design features a single, large-diameter tapered down-tube. Two rugged boxsection rails attach to the base of the down-tube and support the engine. A forged aluminium steering head provides a compact and extremely durable mount for the frame spars and engine down-tube.
  • Aluminium frame design matched to rider ergonomics for optimised handling and control.
  • Swingarm features dual-axis, double-taper design with a large cast aluminium cross-member.
  • Front and rear wheels feature lightweight HRC Works-type aluminium spoke nipples for reduced unsprung weight.
  • 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 significant rigidity to withstand torturous track conditions.
  • Lightweight, 47mm Showa inverted twin-chamber cartridge-type fork with aluminium dampers. Fork offers 315mm of travel and 16-step rebound and compression damping adjustability. Front fork outer-tubes receive same inner surface honing treatment as Works bikes for low-friction operation.
  • Pro-Link rear suspension system features single fully adjustable Showa rear damper and 313mm of wheel travel, separate low-speed (13-step) and high-speed (3.5 turns) compression damping adjusters and 17-step rebound damping.
  • Large 50mm-diameter rear damper piston provides consistent performance under demanding riding conditions.
  • Large, 240mm front and rear disc brakes.
  • Link-type front brake master cylinder provides strong braking control in combination with a lightweight brake rotor.
  • 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 conventional external reservoir and hose.
  • Additional Features

  • All plastic body components (radiator shroud, sidecovers, rear fender, seat base, fuel tank, front fender and front number plate), offer a slim, aggressive style and light weight.
  • Frame design allows airbox sidecovers to have larger intake ducts, contributing to excellent airflow in the mid- and upper-rpm ranges.
  • Rider ergonomics optimised by adapting 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 foam construction follows the shape of the fuel tank, providing a smooth transition to increase rider mobility and comfort.
  • Non-slip seat cover for enhanced rider control.
  • Cleated rear brake pedal and folding shift lever made of lightweight aluminium and designed to complement the riding position. Brake pedal features optimised ratio to match integrated rear-brake master cylinder design.
  • Wide, cleated stainless steel footpegs are self-cleaning, corrosion-resistant, provide excellent grip and fold for extra ground clearance.
  • Aluminium Renthal handlebar (971 bend) rubber-mounted to reduce rider fatigue and improve comfort.
  • Honda Racing-inspired colours and graphics.
  • Specifications CRF250R 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 - 32kW / 11,000min-1 (95/1/EC)
  • Max. Torque - 29.3Nm / 8,500min-1 (95/1/EC)
  • Carburation - 40mm Keihin FCR flat slide carburettor with throttle position sensor (TPS)
  • Fuel Tank Capacity - 7.3 litres
  • Ignition System - Computer-controlled digital capacitor discharge with electronic advance
  • Starter - Primary kick
  • Transmission - 5-speed
  • Primary Reduction - 3.116 (57/18)
  • Gear Ratio - 1; 2.142 (30/14), 2; 1.750 (28/16), 3; 1.450 (29/20), 4; 1.227 (27/22), 5; 1.041 (25/24)
  • Final Reduction - 3.923 (51/13)
  • Final Drive - #520 roller chain
  • Frame Type - Semi-double cradle; aluminium twin-spar
  • Dimensions - (LxWxH) 2,172 x 827 x 1,277mm
  • Wheelbase - 1,479mm
  • Caster Angle - 27° 50'
  • Trail - 123mm
  • Seat Height - 965mm
  • Ground Clearance - 361mm
  • Dry Weight - 93.2kg
  • Kerb Weight - 101kg
  • Suspension - Front; 47mm inverted Showa leading-axle twin-chamber cartridge-type telescopic fork with 16-step adjustable compression and rebound damping; 315mm axle travel, Rear; Pro-Link with single Showa damper, adjustable low-speed (13-step) & high-speed (3.5-turn) compression and 17-step rebound damping; 313mm axle travel
  • Wheels - Front; Aluminium rim/wire spoke, Rear; Aluminium rim/wire spoke
  • Rim Size - Front; 21 x 1.6, Rear; 19 x 1.85
  • Tyre Size - Front; 80/100 21 (51M), Rear; 100/90 19 (57M)
  • Brakes - Front; 240mm hydraulic disc with dual-piston calliper and sintered metal pads, Rear; 240mm hydraulic disc with single-piston calliper and sintered metal pads
  • All specifications are provisional and subject to change without notice.