Yamaha YZ450F Manuel D'atelier Du Proprietaire page 75

MAINTENANCE SPECIFICATIONS
ENGINE
Cylinder head:
Warp limit
Cylinder:
Bore size
Out of round limit
Camshaft:
Drive method
Camshaft cap inside diameter
Camshaft journal diameter
Shaft-to-cap clearance
Cam dimensions
Intake
Exhaust
Camshaft runout limit
MAINTENANCE SPECIFICATIONS
Item
B
"A"
"B"
"A"
"B"
Standard
----
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
31.200 ~ 31.300 mm
(1.2283 ~ 1.2323 in)
22.550 ~ 22.650 mm
(0.8878 ~ 0.8917 in)
30.950 ~ 31.050 mm
(1.2185 ~ 1.2224 in)
22.494 ~ 22.594 mm
(0.8856 ~ 0.8895 in)
----
2 - 4
SPEC
Limit
0.05 mm
(0.002 in)
----
0.05 mm
(0.002 in)
----
----
----
0.08 mm
(0.003 in)
31.100 mm
(1.2244 in)
22.450 mm
(0.8839 in)
30.850 mm
(1.2146 in)
22.394 mm
(0.8817 in)
0.03 mm
(0.0012 in)