Yamaha YZ450F(W) 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
Oil capacity
Oil grade
Inner tube outer diameter
Front fork top end
Rear suspension:
Shock absorber travel
Spring free length
Fitting length
One I.D. mark
Two I.D. marks
Three I.D. marks
<Min.~Max.>
One I.D. mark
Two I.D. marks
Three I.D. marks
Spring rate, STD
Optional spring
Enclosed gas pressure
MAINTENANCE SPECIFICATIONS
Taper roller bearing
USA, CDN,
AUS, NZ, ZA
300 mm (11.8 in) ←
454 mm (17.9 in) ←
K = 4.6 N/mm
(0.469 kg/mm,
26.3 lb/in)
Yes
3
527 cm
(18.6 Imp oz,
17.8 US oz)
Suspension oil
"S1"
48 mm (1.89 in)
Zero mm (Zero in) ←
USA, CDN,
AUS, NZ, ZA
131.5 mm (5.18 in) ←
Approx. 275 mm
(10.83 in)
266 mm (10.47 in) 268 mm (10.55 in) ----
272 mm (10.71 in) 274 mm (10.79 in) ----
263.5 mm
(10.37 in)
255.5 ~ 273.5 mm
(10.06 ~ 10.77 in)
261.5 ~ 279.5 mm
(10.30 ~ 11.00 in)
253.0 ~ 271.0 mm
(9.96 ~ 10.67 in)
K = 54.0 N/mm
(5.50 kg/mm,
308.0 lb/in)
Yes
1,000 kPa
(10 kg/cm
142 psi)
2 - 13
Standard
EUROPE
←
←
3
537 cm
(18.9 Imp oz,
18.2 US oz)
←
←
EUROPE
←
265.5 mm
(10.45 in)
←
←
←
←
←
←
2
,
SPEC
Limit
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449 mm (17.7 in)
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