2-4
MAINTENANCE SPECIFICATIONS
Camshaft:
Drive method
Chain drive (Left)
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Camshaft cap inside diameter
22.000–22.021 mm (0.8661–0.8670 in)
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Camshaft outside diameter
21.959–21.972 mm (0.8645–0.8650 in)
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Shaft-to-cap clearance
0.028–0.062 mm (0.0011–0.0024 in)
0.08 mm (0.003
in)
Cam dimensions
Intake "A"
30.100–30.200 mm (1.1850–1.1890 in)
30.000 mm
(1.1811 in)
Intake "B"
22.450–22.550 mm (0.8839–0.8878 in)
22.350 mm
(0.8799 in)
Exhaust "A"
30.200–30.300 mm (1.1890–1.1929 in)
30.100 mm
(1.1850 in)
Exhaust "B"
22.450–22.550 mm (0.8839–0.8878 in)
22.350 mm
(0.8799 in)
Camshaft runout limit
----
0.03 mm
(0.0012 in)
Timing chain:
Timing chain type/No. of links
98XRH2010-118M/118
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Timing chain adjustment method
Automatic
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Valve, valve seat, valve guide:
Valve clearance (cold)
IN
0.10–0.15 mm (0.0039–0.0059 in)
----
EX
0.20–0.25 mm (0.0079–0.0098 in)
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Valve dimensions:
"A" head diameter (IN)
26.9–27.1 mm (1.0591–1.0669 in)
----
"A" head diameter (EX)
27.9–28.1 mm (1.0984–1.1063 in)
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Item
Standard
Limit
Summary of Contents for WR450Fv2008
Page 2: ......
Page 43: ...2 18 TIGHTENING TORQUES ...
Page 45: ...2 20 LUBRICATION DIAGRAMS 1 Intake camshaft 2 Exhaust camshaft A To main axle B From oil pump ...
Page 69: ...3 16 ENGINE INTAKE EXHAUST ...
Page 82: ...3 29 ELECTRICAL Charging method using a variable voltage charger ...
Page 83: ...3 30 ELECTRICAL Charging method using a constant voltage charger ...
Page 114: ...5 20 CYLINDER HEAD 3 Install Bolt cylinder head 1 Bolt cylinder head 10 Nm 1 0 m kg 7 2 ft lb ...
Page 133: ...5 39 OIL PUMP 15 Oil pump drive shaft 1 16 Rotor housing 1 Order Part name Q ty Remarks ...
Page 197: ...6 40 REAR SHOCK ABSORBER 8 Install Plastic band Taillight coupler Locking tie ...
Page 205: ...7 8 ELECTRIC STARTING SYSTEM 2 Inspect Rubber part a Tears damage Replace ...
Page 219: ......