Yamaha WR400F(M) Owner's Service Manual page 84

Wr series
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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
AUS, NZ, ZA
300 mm
(11.8 in)
460 mm
(18.1 in)
K = 4.6 N/mm
(0.46 kg/mm,
25.8 lb/in)
Yes
3
573 cm
(20.2 lmp oz,
19.4 US oz)
135 mm
(5.31 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)
242 ~ 260 mm
(9.53 ~ 10.24 in)
K = 50.0 N/mm
(5.00 kg/mm,
280.0 lb/in)
Yes
1,000 kPa
(10 kg/cm
142 psi)
----
2 - 13
Standard
EUROPE
K = 4.2 N/mm
(0.42 kg/mm,
23.5 lb/in)
3
583 cm
(20.5 lmp oz,
19.7 US oz)
125 mm
(4.92 in)
Zero mm
(Zero in)
EUROPE
244 mm
(9.61 in)
K = 48.0 N/mm
(4.80 kg/mm,
268.8 lb/in)
2
,
SPEC
Limit
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455 mm (17.9 in)
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1.0 mm (0.04 in)

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2000 wr450f2000 wr450fmWr450 m 2000Wr400f

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