Engine Specifications - Yamaha YFZ450S 2003 Service Manual

EBS01002

ENGINE SPECIFICATIONS

Item
Cylinder head
Warp limit
Cylinder
Bore size
Camshaft
Drive method
Camshaft cap inside diameter
Camshaft journal diameter
Camshaft-journal-to-camshaft-cap
clearance
Camshaft lobe dimensions
Intake
Exhaust
Camshaft runout limit
Timing chain
Timing chain type/No. of links
Timing chain adjustment method
ENGINE SPECIFICATIONS
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95.00 ~ 95.01 mm (3.7402 ~ 3.7406 in)
Chain drive (Left)
22.000 ~ 22.021 mm (0.8661 ~ 0.8670 in)
21.967 ~ 21.980 mm (0.8648 ~ 0.8654 in)
0.020 ~ 0.054 mm (0.0008 ~ 0.0021 in)
A
B
"A" 31.200 ~ 31.300 mm (1.2283 ~ 1.2323 in) 31.100 mm
"B" 22.550 ~ 22.650 mm (0.8878 ~ 0.8917 in) 22.450 mm
"A" 30.950 ~ 31.050 mm (1.2185 ~ 1.2224 in) 30.850 mm
"B" 22.494 ~ 22.594 mm (0.8856 ~ 0.8895 in) 22.394 mm
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98XRH2010-118M
Automatic
2 - 4
Standard
SPEC
Limit
0.05 mm
(0.002 in)
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0.080 mm
(0.0032 in)
(1.2244 in)
(0.8839 in)
(1.2146 in)
(0.8817 in)
0.03 mm
(0.0012 in)
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