Yamaha WR450F(R) Owner's Service Manual page 50

EC212201
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 = 4.51 N/mm
(0.46 kg/mm,
25.8 lb/in)
Yes
3
573 cm
(20.2 lmp oz,
19.4 US oz)
130 mm (5.12 in) ←
80 ~ 150 mm
(3.15 ~ 5.91 in)
Suspension oil
"01"
46 mm (1.81 in)
Zero mm (Zero in) ←
USA, CDN
132 mm (5.20 in) ←
260 mm (10.24 in) ←
246 mm (9.69 in) 246.5 mm (9.70 in) ←
240.5 ~ 258.5 mm
(9.47 ~ 10.18 in)
K = 51.0 N/mm
(5.20 kg/mm,
291.2 lb/in)
Yes
1,000 kPa
2
(10 kg/cm , 142 psi)
----
2 - 13
SPEC
Standard
EUROPE
←
←
K = 4.12 N/mm K = 4.31 N/mm
(0.42 kg/mm, (0.44 kg/mm,
23.5 lb/in) 24.6 lb/in)
← ←
← ←
←
← ←
← ←
← ←
←
EUROPE
←
←
← ←
K = 48.0 N/mm K = 52.0 N/mm
(4.90 kg/mm, (5.30 kg/mm,
274.4 lb/in) 296.8 lb/in)
← ←
← ←
Limit
----
AUS, NZ, ZA
AUS, NZ, ZA
1.0 mm
(0.04 in)