POWER UNIT 6-29
TAPPET / TAPPET SHIM
Wear of tappet and shim
Inspect tappet and shim for pitting, scratches, or other damage.
Replace if necessary.
Measure cylinder head bore and tappet outside diameter to
determine cylinder head to tappet clearance.
\ 09900-20202 : Micrometer
If measurement exceeds service limit, replace tappet or cylin-
der head.
Cylinder head bore to tappet clearance :
Standard : 0.025 – 0.066 mm (0.0010 – 0.0026 in.)
Service limit : 0.150 mm (0.0059 in.)
Tappet outer diameter :
Standard : 30.959 – 30.975 mm (1.2189 – 1.2195 in.)
Cylinder head bore :
Standard : 31.000 – 31.025 mm (1.2203 – 1.2215 in.)
Camshaft journal (housing) inside diameter :
Standard : Top, 2nd, 3rd, 4th journal
23.000 – 23.021 mm (0.9055 – 0.9063 in.)
5th journal
26.000 – 26.021 mm (1.0236 – 1.0244 in.)
Service limit : Top, 2nd, 3rd, 4th journal
23.171 mm (0.9122 in.)
5th journal
26.171 mm (1.0304 in.)
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