Yamaha WR 426 F2001 forward

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Water cooled, 426cc, Single

Power: 46.64 HP (34.3 kW) @ 9800 rpm
Torque: 40 Nm (29.5 lb-ft) @ 7800 rpm
Final drive: Chain
Curb weight: 269 lbs
Category: Offroad
Tags: Enduro
Engine and transmission
Engine type: 1 cylinders, 4-stroke, Single
Displacement: 426 cc (26.03 cubic inches)
Bore × stroke: 3.74 inch × 2.37 inch (oversquare - shortstroke)
Cooling system: Water cooled
Power: 46.64 HP (34.3 kW) @ 9800 rpm
Torque: 40 Nm (29.5 lb-ft) @ 7800 rpm
Throttle: Cable operated
Valves
Valves per cylinder: 5
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Ignition type: Digital CDI
Compression: 12.5:1
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, CR8E
Motor oil: 20W/40
Starter: Kick-starter
Dimensions
Wheel base: 58.7 inch
Seat height: 37.8 inch
Weight
Curb weight: 269 lbs
Chassis and suspension
Frame type: steel, Single cradle frame
Front
Suspension: Cartridge - upside-down
Suspension travel: 11.81 inch
Brake: Single Disk, Ø9.84 inch
Tire: 80 / 100 R21 M
Tire pressure: 0.07 PSI
Rear
Suspension: mono shock, Swingarm
Suspension travel: 12.4 inch
Brake: Disk, Ø9.45 inch
Tire: 110 / 100 R18 M
Tire pressure: 0.07 PSI
Other
ABS available: No
Power-to-weight ratio: 0.28 KW/lbs (3.56 lbs/HP)
Fuel capacity: 2.11 gals
Number of riders: 2 persons

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