Yamaha YZ450F(V), Owner'S Service Manual

Page: 84 / 650

SPEC
2 - 13
EC212201
CHASSIS
Item Standard Limit
Steering system:
Steering bearing type Taper roller bearing ----
Front suspension: USA, CDN,
AUS, NZ, ZA
EUROPE
Front fork travel 300 mm (11.8 in)
←
----
Fork spring free length 454 mm (17.9 in)
←
449 mm (17.7 in)
Spring rate, STD K = 4.6 N/mm
(0.469 kg/mm,
26.3 lb/in) K = 4.5 N/mm
(0.459 kg/mm,
25.7 lb/in) ----
Optional spring Yes
←
----
Oil capacity 542 cm
3
(19.1 Imp oz,
18.3 US oz)
532 cm
3
(18.7 Imp oz,
18.0 US oz)
----
Oil grade Suspension oil
“S1”
←
----
Inner tube outer diameter 48 mm (1.89 in)
←
----
Front fork top end Zero mm (Zero in)
←
----
Rear suspension: USA, CDN,
AUS, NZ, ZA
EUROPE
Shock absorber travel 131.5 mm (5.18 in)
←
----
Spring free length Approx. 275 mm
(10.83 in)
←
----
Fitting length One I.D. mark
264 mm (10.39 in) One I.D. mark
262 mm (10.31 in) ----
Two I.D. marks
270 mm (10.63 in) Two I.D. marks
268 mm (10.55 in) ----
Three I.D. marks
261.5 mm
(10.30 in) Three I.D. marks
259.5 mm
(10.22 in)
----
<Min.~Max.> 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)
←
----
Spring rate, STD K = 54.0 N/mm
(5.50 kg/mm,
308.0 lb/in)
←
----
Optional spring Yes
←
----
Enclosed gas pressure 1,000 kPa
(10 kg/cm
2
,
142 psi)
←
----
MAINTENANCE SPECIFICATIONS