Yamaha 2001 YZ426F/LC Owner's Service Manual page 84

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 = 4.51 N/mm
(0.46 kg/mm,
25.8 lb/in)
Yes
3
578 cm
(20.3 lmp oz,
19.5 US oz)
130 mm (5.12 in) ←
80 ~ 150 mm
(3.15 ~ 5.91 in)
Suspension oil
"01"
46 mm (1.81 in)
0 mm (0 in)
USA, CDN,
AUS, NZ, ZA
132 mm
(5.20 in)
265 mm
(10.43 in)
248 mm
(9.76 in)
247 ~ 265 mm
(9.72 ~ 10.43 in)
K = 53.0 N/mm
(5.40 kg/mm,
302.4 lb/in)
Yes
1,000 kPa
(10 kg/cm
142 psi)
----
2 - 13
Standard
EUROPE
K = 4.41 N/mm
(0.45 kg/mm,
25.2 lb/in)
←
←
←
←
←
←
EUROPE
←
275 mm
(10.83 in)
262 mm
(10.31 in)
257 ~ 275 mm
(10.12 ~ 10.83 in)
K = Approx.
53.0 N/mm
(5.40 kg/mm,
302.4 lb/in)
←
←
2
,
SPEC
Limit
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455 mm (17.9 in)
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1.0 mm (0.04 in)