Yamaha WR450F(V) Owner's Service Manual page 102

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 = 4.5 N/mm
(0.459 kg/mm,
25.7 lb/in)
Yes
3
650 cm
(22.9 Imp oz,
22.0 US oz)
130 mm (5.12 in) 127 mm (5.00 in)
95 ~ 150 mm
(3.74 ~ 5.91 in)
Suspension oil
"S1"
48 mm (1.89 in)
Zero mm (Zero in) ←
USA, CDN
129 mm (5.08 in) ←
260 mm (10.24 in) ←
247 mm (9.72 in) 246 mm (9.69 in) 247 mm (9.72 in)
237.5 ~ 258.5 mm
(9.35 ~ 10.18 in)
K = 52.0 N/mm
(5.30 kg/mm,
296.8 lb/in)
Yes
1,000 kPa
2
(10 kg/cm
----
2 - 13
Standard
EUROPE
K = 4.2 N/mm
(0.428 kg/mm,
24.0 lb/in)
←
3
653 cm
(23.0 Imp oz,
22.1 US oz)
←
←
←
EUROPE
←
K = 48.0 N/mm
(4.90 kg/mm,
274.4 lb/in)
←
←
, 142 psi)
SPEC
Limit
----
AUS, NZ, ZA
←
←
K = 4.4 N/mm
(0.449 kg/mm,
25.1 lb/in)
←
3
655 cm
(23.1 Imp oz,
22.1 US oz)
125 mm (4.92 in)
←
←
←
←
AUS, NZ, ZA
←
←
←
K = 54.0 N/mm
(5.50 kg/mm,
308.0 lb/in)
←
←
1.0 mm
(0.04 in)