Yamaha WR250F(S) Owner's Service Manual page 91

CHASSIS
Item
Steering system:
Steering bearing type
Front suspension:
Front fork travel
Fork spring free length
Spring rate, STD
Optional spring/spacer
Oil capacity
Oil level
<Min. ~ Max.>
(From top of outer tube with inner
tube and damper rod fully com-
pressed without spring.)
Oil grade
Inner tube outer diameter
Front fork top end
Rear suspension:
Shock absorber travel
Spring free length
Fitting length
<Min. ~ Max.>
Spring rate, STD
Optional spring
Enclosed gas pressure
Swingarm:
Swingarm free play limit
End
MAINTENANCE SPECIFICATIONS
Taper roller bearing
USA, CDN
300 mm (11.8 in) ←
460 mm (18.1 in) ←
K = 4.31 N/mm
(0.44 kg/mm,
24.6 lb/in)
Yes
3
578 cm
(20.3 lmp oz,
19.5 US oz)
125 mm (4.92 in) 130 mm (5.12 in) ←
80 ~ 150 mm
(3.15 ~ 5.91 in)
Suspension oil
"01"
46 mm (1.81 in)
5 mm (0.20 in)
USA, CDN, AUS,
NZ, ZA
132 mm (5.20 in)
260 mm (10.24 in)
245 mm (9.65 in)
240.5 ~ 258.5 mm
(9.47 ~ 10.18 in)
K = 50.0 N/mm
(5.10 kg/mm,
285.6 lb/in)
Yes
1,000 kPa (10 kg/cm
142 psi)
----
2 - 12
SPEC
Standard
EUROPE
K = 4.12 N/mm
(0.42 kg/mm,
23.5 lb/in)
←
3
573 cm
(20.2 lmp oz,
19.4 US oz)
←
←
←
←
EUROPE
←
←
246.5 mm (9.70 in)
←
K = 46.0 N/mm
(4.70 kg/mm,
263.2 lb/in)
←
←
2
,
Limit
----
AUS, NZ, ZA
←
←
K = 4.22 N/mm
(0.43 kg/mm,
24.1 lb/in)
←
←
←
←
←
10 mm (0.39 in)
----
----
----
----
----
----
----
1.0 mm
(0.04 in)