2001 Yamaha WR 426 F specifications.

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Engine and transmission 2001 Yamaha WR 426 F
Engine type:
1 cylinders, 4-stroke, Single
Displacement:
426 cc (26.03 cubic inches)
Bore × stroke:
95 mm × 60.1 mm (oversquare - shortstroke)
Cooling system:
Water cooled
Power:
46.64 HP (34.3 kW) @ 9800 rpm
Torque:
40 Nm (4.08 kg-m) @ 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 2001 Yamaha WR 426 F
Wheel base:
1490 mm
Seat height: :
960 mm
Weight:
Curb weight:
122 kg
Chassis and suspension 2001 Yamaha WR 426 F
Frame type:
steel, Single cradle frame
Front:
Suspension:
Cartridge - upside-down
Suspension travel:
300 mm
Brake:
Single Disk, Ø250 mm
Tire:
80 / 100 R21 M
Tire pressure:
1 bar
Rear:
Suspension:
mono shock, Swingarm
Suspension travel:
315 mm
Brake:
Disk, Ø240 mm
Tire:
110 / 100 R18 M
Tire pressure:
1 bar
Other 2001 Yamaha WR 426 F
ABS available:
No
Power-to-weight ratio:
0.28 HP/kg(3.56 kg/HP)
Fuel capacity:
8 l
Number of riders:
2 persons