Yamaha YZ450F(V) 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
<Min.~Max.>
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
542 cm
(19.1 Imp oz,
18.3 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)
One I.D. mark
264 mm (10.39 in)
Two I.D. marks
270 mm (10.63 in)
Three I.D. marks
261.5 mm
(10.30 in)
One I.D. mark
255.5 ~ 273.5 mm
(10.06 ~ 10.77 in)
Two I.D. marks
261.5 ~ 279.5 mm
(10.30 ~ 11.00 in)
Three I.D. marks
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
K = 4.5 N/mm
(0.459 kg/mm,
25.7 lb/in)
←
3
532 cm
(18.7 Imp oz,
18.0 US oz)
←
←
EUROPE
←
One I.D. mark
262 mm (10.31 in) ----
Two I.D. marks
268 mm (10.55 in) ----
Three I.D. marks
259.5 mm
(10.22 in)
←
←
←
←
←
←
2
,
SPEC
Limit
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449 mm (17.7 in)
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