Honda CRF 450 Xback 2007 forward

Water cooled, 449cc, Single, OHV

Power: 48.95 HP (36 kW) @ 7500 rpm
Torque: 43 Nm (31.72 lb-ft) @ 7000 rpm
Final drive: Chain
Curb weight: 253.5 lbs
Category: Offroad
Tags: Cross, Enduro
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: OHV, 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 / Kick-starter
Dimensions
Wheel base: 58.7 inch
Trail: 4.3 inch
Ground clearance: 13.39 inch
Seat height: 37.6 inch
Weight
Curb weight: 253.5 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: Single Disk, Ø9.45 inch
Tire: 90 / 90 R21 R
Tire pressure: 0.07 PSI
Rear
Suspension: mono shock, Swingarm
Suspension travel: 12.52 inch
Brake: Disk, Ø9.45 inch
Tire: 140 / 80 R18 R
Tire pressure: 0.07 PSI
Other
ABS available: No
Power-to-weight ratio: 0.31 KW/lbs (3.19 lbs/HP)
Fuel capacity: 1.9 gals
Number of riders: 1 person

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