Yamaha YZ450F(Y Owner's Manual page 30

Lubrication system:
Oil filter type
Oil pump type
Tip clearance
Side clearance
Housing and rotor clearance
Bypass valve setting pressure
Cooling:
Radiator core size
Width
Height
Thickness
Radiator cap opening pressure
Radiator capacity (total)
Water pump
Type
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*
I.D. mark (Pink/1)
I.D. mark (Pink/2)
I.D. mark (Pink/3)
Item
MAINTENANCE SPECIFICATIONS
Standard
Paper type
Trochoid type
0.12 mm or less (0.0047 in or less)
0.09–0.17 mm (0.0035–0.0067 in)
0.03–0.10 mm (0.0012–0.0039 in)
40–80 kPa (0.4–0.8 kg/cm
psi)
120.2 mm (4.73 in)
240 mm (9.45 in)
22 mm (0.87 in)
110 kPa (1.1 kg/cm
0.56 L (0.49 Imp qt, 0.59 US qt)
Single-suction centrifugal pump
Standard
Taper roller bearing
USA, CDN
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
541 cm (19.0 lmp oz,
18.3 US oz)
Suspension oil "S1"
48 mm (1.89 in)
5 mm (0.20 in)
USA, CDN
131.5 mm (5.18 in)
Approx.275 mm (10.83
in)
266 mm (10.47 in)
272 mm (10.71 in)
263.5 mm (10.37 in)
2-8
2
, 5.69–11.38
2
, 15.6 psi)
EUROPE, AUS, NZ, ZA
←
←
←
←
3
531 cm (18.7 lmp oz,
18.0 US oz)
←
←
←
EUROPE, AUS, NZ, ZA
←
←
263 mm (10.35 in)
269 mm (10.59 in)
260.5 mm (10.26 in)
Limit
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0.20 mm (0.008
in)
0.24 mm (0.009
in)
0.17 mm (0.007
in)
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Limit
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449 mm (17.7
in)
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