ENGINE
M6060, M7060, WSM
1-S64
Cam Height
1. Measure the height of the cam (2) at its highest point with an
external micrometer.
2. If the measurement is less than the allowable limit, replace the
camshaft (1).
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Oil Clearance between Camshaft Journal and Cylinder Block
Bore
1. Measure the camshaft journal O.D. with an external micrometer.
2. Measure the cylinder block bore I.D. for the camshaft with an
internal micrometer or a cylinder gauge.
3. Calculate the oil clearance.
4. If the oil clearance is more than the allowable limit, replace the
camshaft.
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Replacement of Camshaft Cover (If necessary)
1. Remove the used camshaft cover and clean the hole.
2. Install the new camshaft cover (1) until bumping using camshaft
cover replacing tool. (See page G-57.)
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Intake cam height
Factory specification
37.50 mm
1.476 in.
Allowable limit
37.00 mm
1.457 in.
Exhaust cam height
Factory specification
37.90 mm
1.492 in.
Allowable limit
37.40 mm
1.472 in.
(1) Camshaft (2) Cam
Oil clearance between
camshaft journal and
cylinder block bore
Factory specification
0.050 to 0.091 mm
0.0020 to 0.0035 in.
Allowable limit
0.15 mm
0.0059 in.
Camshaft journal 1 O.D. Factory specification
34.934 to 34.950 mm
1.3754 to 1.3759 in.
Cylinder block bore 1 I.D. Factory specification
35.000 to 35.025 mm
1.3780 to 1.3789 in.
Camshaft journal 2 O.D. Factory specification
43.934 to 43.950 mm
1.7297 to 1.7303 in.
Cylinder block bore 2 I.D. Factory specification
44.000 to 44.025 mm
1.7323 to 1.7332 in.
(1) Camshaft Journal 1 (2) Camshaft Journal 2
(1) Camshaft Cover
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