Honda CRF 450 Xback 2011 forward

Water cooled, 449cc, Single, SOHC

Power: 48.95 HP (36 kW) @ 7500 rpm
Torque: 43 Nm (31.72 lb-ft) @ 7000 rpm
Final drive: Chain
Curb weight: 269 lbs
Category: Offroad
Tags: Trial
Engine and transmission
Engine type: 1 cylinders, 4-stroke, Single
Displacement: 449 cc (27.43 cubic inches)
Bore × stroke: 3.78 inch × 2.44 inch (oversquare - shortstroke)
Cooling system: Water cooled
Power: 48.95 HP (36 kW) @ 7500 rpm
Torque: 43 Nm (31.72 lb-ft) @ 7000 rpm
Throttle: Cable operated
Valves
Valve train: SOHC, variable
Valves per cylinder: 4
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Ignition type: Digital CDI
Funnel diameter: 1.57 inch
Compression: 12:1
Engine mounting: Transverse
Lubrication system: Wet sump
Gear box: Manual 5-speed
Clutch: Wet, multiple discs, cable operated
Final drive: Chain
Spark plug pipe type: NGK, IFR8H11
Motor oil: Synthetic, 10W/40
Starter: Electric
Dimensions
Wheel base: 58.2 inch
Trail: 4.6 inch
Ground clearance: 13.58 inch
Seat height: 37.9 inch
Weight
Curb weight: 269 lbs
Dry weight: 231.5 lbs
Chassis and suspension
Frame type: aluminium, Single cradle frame
Front
Suspension: Cartridge - upside-down
Suspension travel: 12.4 inch
Fork angle: 27°
Brake: Twin Disk, Ø9.45 inch
Tire: 80 / 10 R21
Rear
Suspension: mono shock, Swingarm
Suspension travel: 12.4 inch
Brake: Disk, Ø9.45 inch
Tire: 110 / 10 R18
Other
ABS available: No
Power-to-weight ratio: 0.30 KW/lbs (3.39 lbs/HP)
Fuel capacity: 1.9 gals
Number of riders: 2 persons

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