Yamaha YZ450F Manuel D'atelier Du Proprietaire 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) ←
479 mm (18.9 in) ←
K = 4.5 N/mm
(0.459 kg/mm,
25.7 lb/in)
Yes
3
662 cm
(23.3 Imp oz,
22.4 US oz)
125 mm (4.92 in) 120 mm (4.72 in) ----
105 ~ 135 mm
(4.13 ~ 5.31 in)
Suspension oil
"01"
48 mm (1.89 in)
Zero mm (Zero in) ←
USA, CDN,
AUS, NZ, ZA
132 mm
(5.20 in)
260 mm
(10.24 in)
248 mm
(9.76 in)
240.5 ~ 258.5 mm
(9.47 ~ 10.18 in)
K = 52.0 N/mm
(5.30 kg/mm,
296.8 lb/in)
Yes
1,000 kPa
(10 kg/cm
142 psi)
----
2 - 13
Standard
EUROPE
K = 4.4 N/mm
(0.449 kg/mm,
25.1 lb/in)
←
3
668 cm
(23.5 Imp oz,
22.6 US oz)
←
←
←
EUROPE
←
275 mm
(10.83 in)
263 mm
(10.35 in)
255.5 ~ 273.5 mm
(10.06 ~ 10.77 in)
K = Approx.
52.0 N/mm
(5.30 kg/mm,
296.8 lb/in)
←
←
2
,
SPEC
Limit
----
----
474 mm (18.7 in)
----
----
----
----
----
----
----
----
----
----
----
----
----
----
1.0 mm (0.04 in)