2-2
GENERAL SPECIFICATIONS
SPEC
Carburetor:
Type/Manufacturer
PWK38S/KEIHIN
Spark plug:
Type/Manufacturer
BR8EG/NGK (resistance type)
Gap
0.5~0.6 mm (0.020~0.024 in)
Clutch type:
Wet, multiple-disc
Transmission:
Primary reduction system
Gear
Primary reduction ratio
63/21 (3.000)
Secondary reduction system
Chain drive
Secondary reduction ratio
50/14 (3.571)
Transmission type
Constant mesh, 5-speed
Operation
Left foot operation
Gear ratio: 1st
27/14 (1.929)
2nd
23/15 (1.533)
3rd
23/18 (1.278)
4th
24/22 (1.091)
5th
20/21 (0.952)
Chassis:
USA, ZA, AUS, NZ
EUROPE, CDN
Frame type
Semi double cradle
←
Caster angle
26.9°
27.1°
Trail
115 mm (4.53 in)
118 mm (4.65 in)
Tire:
Type
With tube
Size (front)
80/100-21 51M
Size (rear)
110/90-19 62M
Tire pressure (front and rear)
100 kPa (1.0 kgf/cm
2
, 15 psi)
Brake:
Front brake type
Single disc brake
Operation
Right hand operation
Rear brake type
Single disc brake
Operation
Right foot operation
Suspension:
Front suspension
Telescopic fork
Rear suspension
Swingarm (link type monocross suspension)
Shock absorber:
Front shock absorber
Coil spring/oil damper
Rear shock absorber
Coil spring/Gas, oil damper
Wheel travel:
Front wheel travel
300 mm (11.8 in)
Rear wheel travel
315 mm (12.4 in)
Electrical:
Ignition system
CDI magneto
2
1P8-9-32-2 4/29/06 11:45 AM Page 3
Summary of Contents for YZ250(W)/W1
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