Yamaha YZ250F 2011

Yamaha YZ250F Engine Specification:

Engine
Engine type:
Liquid-cooled, 4-stroke, forward-inclined single cylinder, 5-valves, DOHC

Displacement:
250 cc

Bore x stroke:
77.0 x 53.6 mm

Compression ratio:
13.5 : 1

Lubrication system:
Dry sump

Carburettor:
Keihin FCR-MX37/1

Clutch type:
Wet, multiple-disc

Ignition system:
CDI

Starter system:
Kick

Transmission system:
Constant mesh, 5-speed

Final transmission:
Chain

Fuel tank capacity:
6.4 L

Oil tank capacity:
1.2 L

Chassis

Chassis:
Aluminium Bilateral Beam

Front suspension system:
Telescopic forks

Front travel:
300 mm

Rear suspension system:
Swingarm (link suspension)

Rear travel:
310 mm

Caster angle
27º 10'

Trail
117.4 mm

Front brake:
Single disc, Ø 250 mm

Rear brake:
Single disc, Ø 245 mm

Front tyre:
80/100-21-51M

Rear tyre:
100/90-19 57M

Dimensions

Length (mm):
2,168 mm

Width (mm):
825 mm

Height (mm):
1,304 mm

Seat height (mm):
991 mm

Wheel base (mm):
1,473 mm

Minimum ground clearance (mm):
377 mm

Service weight (kg)
102.8 kg