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| Introduction | | | The choice of motocross, off-road, flattrack and Supermoto riders everywhere, Honda's race-winning CRF450R receives a host of refinements in 2006 to extend its dominance. Its roost-raising power delivery, light, rigid and quick-handling aluminium frame, and supple Works racer suspension systems combine with a wealth of refinements and quieter operation to make this big 4-stroke the overwhelming class favourite and one of the best-handling dirt trackers you'll find anywhere. |
| | back to top | | | Colours | | | • Extreme Red (with White number plate and sidecovers) |
| | back to top | Technical Specifications | | | | Engine | | | Type | Liquid-cooled 4-stroke 4-valve SOHC single | | Displacement | 449cm 3 | | Bore x Stroke | 96 x 62.1mm | | Compression Ratio | 12 :1 | | Max Power Output | 40.5kW/9,000min -1 (95/1/EC) | | Max Torque | 50.2Nm/7,000min -1 (95/1/EC) | | | | Fuel System | | | Carburation | 40mm Keihin FCR flat-slide carburettor | | Fuel Tank Capacity | 7.2 litres | | | | Electrical System | | | Ignition System | Computer-controlled digital capacitor discharge with electronic advance | | Starter | Primary kick | | | | Drivetrain | | | Transmission Type | 5-speed | | Primary Reduction | 2.739 (63/23) | | Gear Ratios | 1 | 1.800 (27/15) | | 2 | 1.470 (25/17) | | 3 | 1.235 (21/17) | | 4 | 1.050 (21/20) | | 5 | 0.909 (20/22) | | Final Reduction | 3.692 (48/13) | | Final Drive | #520 roller chain | | | | Frame | | | Type | Semi-double cradle; aluminium twin-spar | | | | Chassis | | | Dimensions | (LxWxH) | 2,191 x 825 x 1,262 mm | | Wheelbase | 1,491 mm | | Caster Angle | 26° 47' | | Trail | 109.4mm | | Seat Height | 955mm | | Ground Clearance | 339mm | | Dry Weight | 99.7kg | | Kerb Weight | 108.9kg | | | | Suspension | | | Type | Front | 47mm Showa inverted leading-axle twin-chamber cartridge-type telescopic fork with 16-step adjustable compression and rebound damping; 315mm axle travel | | Rear | Pro-Link with Showa damper, adjustable low-speed (13-step) and high-speed (3.5-turn) compression and 17-step rebound damping; 320mm axle travel | | | | Wheels | | | Type | Front | Aluminium rim/wire spoke | | Rear | Aluminium rim/wire spoke | | Rim Size | Front | 21 x 1.6 | | Rear | 19 x 2.15 | | Tyre Size | Front | 80/100-21 51M | | Rear | 110/90-19 62M | | | | Brakes | | | Type | 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. |
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