Maintenance Specifications - Engine - Yamaha WR450F(W) Owner's Service Manual

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)
21.959 ~ 21.972 mm
(0.8645 ~ 0.8650 in)
0.028 ~ 0.062 mm
(0.0011 ~ 0.0024 in)
A
30.100 ~ 30.200 mm
(1.1850 ~ 1.1890 in)
22.450 ~ 22.550 mm
(0.8839 ~ 0.8878 in)
30.200 ~ 30.300 mm
(1.1890 ~ 1.1929 in)
22.450 ~ 22.550 mm
(0.8839 ~ 0.8878 in)
----
2 - 4
SPEC
Limit
0.05 mm
(0.002 in)
----
0.05 mm
(0.002 in)
----
----
----
0.08 mm
(0.003 in)
30.000 mm
(1.1811 in)
22.350 mm
(0.8799 in)
30.100 mm
(1.1850 in)
22.350 mm
(0.8799 in)
0.03 mm
(0.0012 in)