Yamaha 2011 YZ250F Owner's Service Manual page 28

Carburetor:
Type
Manufacturer
Spark plug:
Type/manufacturer
Gap
Clutch type:
Transmission:
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Transmission type
Operation
Gear ratio:
1st
2nd
3rd
4th
5th
Chassis:
Frame type
Caster angle
Trail
Tire:
Type
Size (front)
Size (rear)
Tire pressure (front and rear)
Brake:
Front brake type
Operation
Rear brake type
Operation
Suspension:
Front suspension
Rear suspension
Shock absorber:
Front shock absorber
Rear shock absorber
Wheel travel:
Front wheel travel
Rear wheel travel
Electrical:
Ignition system
GENERAL SPECIFICATIONS
FCR-MX37
KEIHIN
CR8E/NGK (resistance type)
0.7–0.8 mm (0.028–0.031 in)
Wet, multiple-disc
USA, CDN
Gear
57/17 (3.353)
Chain drive
49/13 (3.769)
Constant mesh, 5-speed
Left foot operation
30/14 (2.143)
28/16 (1.750)
26/18 (1.444)
22/18 (1.222)
25/24 (1.042)
USA, CDN
Semi double cra-
←
dle
27.5° 27.2°
120.2 mm (4.73 117.4 mm (4.62
in) in)
With tube
80/100-21 51M
100/90-19 57M
2
100 kPa (1.0 kgf/cm
Single disc brake
Right hand operation
Single disc brake
Right foot operation
Telescopic fork
Swingarm (link type monocross suspension)
Coil spring/oil damper
Coil spring/gas, oil damper
USA, CDN
300 mm (11.8 in)
307 mm (12.1 in)
CDI magneto
2-2
EUROPE, AUS, NZ, ZA
←
←
←
51/13 (3.923)
←
←
←
←
←
←
←
EUROPE AUS, NZ, ZA
←
27.4°
119.6 mm (4.71
in)
, 15 psi)
EUROPE, AUS, NZ, ZA
←
310 mm (12.2 in)