Yamaha YFZ450S 2003 Service Manual page 32

Item
Carburetor
I. D. mark
Main jet
Main air jet
Jet needle/clip position
Cutaway
Pilot air jet
Pilot outlet
Pilot jet
Bypass 1
Valve seat size
Starter jet
Float height
Engine idle speed
Intake vacuum
Throttle position sensor
Resistance
Oil filter type
Oil pump
Oil pump type
Inner-rotor-to-outer-rotor-tip clear-
ance
Outer-rotor-to-oil-pump-housing
clearance
Bypass valve setting pressure
Cooling system
Radiator core
Width
Height
Depth
Radiator cap opening pressure
Radiator capacity
Coolant reservoir
Capacity
From low to full level
Water pump
Type
ENGINE SPECIFICATIONS
5TG1 00
(M.J) #158
(M.A.J) ø1.0
(J.N) NDSR/4
(C.A) 1.5
(P.A.J.1) #100
(P.O) ø0.9
(P.J) #42
(B.P.1) ø1.0
(V.S) ø3.8
(G.S.1) #90
(F.H) 8 mm (0.31 in)
1,750 ~ 1,850 r/min
34.7 ~ 37.3 kPa
(260 ~ 280 mmHg, 10.2 ~ 11.0 inHg)
4 ~ 6 kΩ at 20 °C
Paper
Trochoid
0.07 ~ 0.12 mm (0.0028 ~ 0.0047 in)
0.09 ~ 0.17 mm (0.0035 ~ 0.0067 in)
40.0 ~ 80.0 kPa
(300 ~ 602 mmHg, 11.8 ~ 23.7 inHg)
300 mm (11.8 in)
188 mm (7.4 in)
24 mm (0.94 in)
107.9 ~ 137.3 kPa
(1.079 ~ 1.373 kg/cm
0.58 L (0.51 Imp qt, 0.61 US qt)
0.29 L (0.26 Imp qt, 0.31 US qt)
0.16 L (0.14 Imp qt, 0.17 US qt)
Single-suction centrifugal pump
2 - 9
Standard
2
, 15.35 ~ 19.53 psi)
SPEC
Limit
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0.20 mm
(0.0079 in)
0.24 mm
(0.0094 in)
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