2-7
MAINTENANCE SPECIFICATIONS
Air filter oil grade:
Foam-air-filter oil or equivalent oil
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Clutch:
Friction plate thickness
2.92–3.08 mm (0.115–0.121 in)
2.8 mm (0.110
in)
Quantity
8
----
Clutch plate thickness
1.5–1.7 mm (0.059–0.067 in)
----
Quantity
7
----
Warp limit
----
0.1 mm (0.004
in)
Clutch spring free length
50.0 mm (1.97 in)
49.0 mm (1.93
in)
Quantity
6
----
Clutch housing thrust clearance
0.10–0.35 mm (0.0039–0.0138 in)
----
Clutch housing radial clearance
0.010–0.044 mm (0.0004–0.0017 in)
----
Clutch release method
Inner push, cam push
----
Shifter:
Shifter type
Cam drum and guide bar
----
Guide bar bending limit
----
0.05 mm (0.002
in)
Kickstarter:
Type
Kick and ratchet type
----
Carburetor:
Type/manufacturer
FCR-MX39/KEIHIN
----
I. D. mark
2S2B B0
----
Main jet (M.J)
#160
----
Main air jet (M.A.J)
ø2.0
----
Jet needle - clip position (J.N)
NFLR-3
----
Cutaway (C.A)
1.5
----
Pilot jet (P.J)
#45
----
Pilot air jet (P.A.J)
#100
----
Pilot outlet (P.O)
ø0.9
----
Pilot screw (example) (P.S)
1-1/2
----
Bypass (B.P)
ø1.0
----
Valve seat size (V.S)
ø3.8
----
Starter jet (G.S)
#72
----
Leak jet (Acc.P)
#55
----
Float height (F.H)
8 mm (0.31 in)
----
Engine idle speed
1,900–2,100 r/min
----
Intake vacuum
28.0–33.3 kPa (210–250 mmHg, 8.27–
9.84 inHg)
----
Hot starter lever free play
3–6 mm (0.12–0.24 in)
----
Item
Standard
Limit
Содержание YZ450F(Y)
Страница 4: ......
Страница 39: ...2 17 LUBRICATION DIAGRAMS 1 Intake camshaft 2 Exhaust camshaft A To main axle B From oil pump ...
Страница 59: ...3 13 ENGINE INTAKE EXHAUST ...
Страница 91: ...4 21 CYLINDER HEAD 3 Install Bolt cylinder head 1 Bolt cylinder head 10 Nm 1 0 m kg 7 2 ft lb ...
Страница 110: ...4 40 OIL PUMP 15 Oil pump drive shaft 1 16 Rotor housing 1 Order Part name Q ty Remarks ...
Страница 189: ......
Страница 190: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...