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Measure the cam lobe height (
Figure 41
) and width
(
Figure 42
) with a micrometer. Replace the cam-
shaft if a lobe is worn beyond the service limits
specified in
Table 2
.
6. Measure the camshaft runout with a dial indica-
tor and V-blocks. Replace the camshaft if the runout
exceeds the service limit.
7. Measure the camshaft journal outside diameter
(
Figure 43
) and measure the inside diameter of the
camshaft bushing (
Figure 44
). Calculate the cam-
shaft-to-bushing clearance by subtracting the cam-
ENGINE TOP END
101
4
38
39
40
41
42
43
44