Chassis - Yamaha YZ250F(W) Owner's Service Manual

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
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)
29/20 (1.450)
27/22 (1.227)
25/24 (1.042)
USA, CDN,
AUS, NZ, ZA
Semi double
cradle
27.0°
115.6 mm
(4.55 in)
With tube
80/100-21 51M (For USA, CDN, ZA, AUS, NZ
and F)
80/100-21 51R (For EUROPE except F)
100/90-19 57M (For USA, CDN, ZA, AUS, NZ
and F)
100/90-19 NHS (For EUROPE except F)
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
300 mm (11.8 in)
307 mm (12.1 in)
CDI magneto
2 - 3
SPEC
EUROPE
(Except for F)
← ←
←
27.1°
116.7 mm 118.1 mm
(4.59 in) (4.65 in)
2
, 15 psi)
F