WM 90 Repair Clearance Data and Limits Table
wc_tx000391gb.fm 91
11. Clearance Data and Limits Table
11.1 Term Descriptions
The following table lists critical dimensions of specific parts. The
“Standard” column lists the dimension of the part as new from the
factory. The “Limit” column lists the maximum allowance. If the
measurement exceeds the “Limit” dimension listed, replace or repair
the part.
Item Standard
mm (in.)
Limit
mm (in.)
Cylinder head
Flatness
0.05 or less
(0.002)
0.1
(0.004)
Intake/exhaust valve contact width
0.8–1.1
(0.0315–0.0433)
2.0
(0.079)
Intake exhaust
5.500–5.518
(0.2165–0.2172)
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