Chassis - Yamaha WR250F Owner's Service Manual

Air filter:
Fuel:
Type
Tank capacity
Reserve
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
GENERAL SPECIFICATIONS
Wet type element
Premium unleaded gasoline only with a research octane
number of 95 or higher.
8.0 L (1.76 Imp gal, 2.11 US gal)
1.1 L (0.24 Imp gal, 0.29 US gal)
FCR-MX37
KEIHIN
CR9E/NGK (resistance type)
0.7–0.8 mm (0.028–0.031 in)
Wet, multiple-disc
Gear
57/17 (3.353)
Chain drive
50/13 (3.846)
Constant mesh, 5-speed
Left foot operation
31/13 (2.385)
28/16 (1.750)
23/17 (1.353)
23/21 (1.095)
17/19 (0.895)
USA, CDN, ZA
Semi double cradle
27.0 °
115 mm (4.53 in)
With tube
80/100-21 51M (For USA, CDN and ZA)
90/90-21 54R (For AUS and NZ)
100/100-18 59M (For USA, CDN and ZA)
130/90-18 69R (For AUS and NZ)
2
100 kPa (1.0 kgf/cm , 15 psi)
Single disc brake
Right hand operation
Single disc brake
Right foot operation
Telescopic fork
Swingarm (link type monocross suspension)
2-2
AUS, NZ
←
26.6 °
114 mm (4.49 in)
2