CAMSHAFTS
5-23
3. Measure:
• Camshaft journal diameter (crankcase side)
“a”
Out of specification → Replace the camshaft.
4. Measure:
• Camshaft journal diameter (camshaft cover
side) “a”
Out of specification → Replace the camshaft.
5. Measure:
• Crankcase hole inside diameter “a”
Out of specification → Replace the crank-
case.
6. Measure:
• Camshaft cover hole inside diameter “a”
Out of specification → Replace the camshaft
cover.
7. Calculate:
• Camshaft-to-crankcase clearance
Out of specification → Replace the defective
part(s).
NOTE:
Calculate the clearance by subtracting the
crankcase side camshaft journal diameter
(crankcase side) from the crankcase hole inside
diameter.
8. Calculate:
• Camshaft to camshaft cover clearance
Out of specification → Replace the defective
part(s).
Camshaft journal diameter
(crankcase side)
24.942–24.965 mm (0.9820–
0.9829 in)
Camshaft journal diameter
(camshaft cover side)
27.967–27.980 mm (1.1011–
1.1016 in)
Crankcase hole inside diameter
25.000–25.021 mm (0.9843–
0.9851 in)
Camshaft cover hole inside
diameter
28.000–28.021 mm (1.1024–
1.1032 in)
Camshaft to crankcase clearance
0.050–0.084 mm (0.0020–0.0033
in)
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