Yamaha WR426F(P) Owner's Service Manual page 94

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 (WR400F)
Premium unleaded gasoline only with a
research octane number of 95 or higher.
8.0 L (1.76 Imp gal, 2.11 US gal)
1.4 L (0.31 Imp gal, 0.37 US gal)
FCR-MX39
KEIHIN
CR8E/NGK
U24ESR-N/DENSO
0.7 ~ 0.8 mm (0.028 ~ 0.031 in)
Wet, multiple-disc
Gear
62/21 (2.952)
Chain drive
50/14 (3.571)
Constant mesh, 5-speed
Left foot operation
29/12 (2.416)
26/15 (1.733)
21/16 (1.312)
21/20 (1.050)
21/25 (0.840)
Semi double cradle
27.8˚
123 mm (4.84 in)
With tube
90/90-21 54R
130/90-18 69R
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)
2 - 19
SPEC
2
, 15 psi)