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POWR
CAMSHAFT AND VALVES
All manuals and user guides at all-guides.com
SERVICE POINTS
Valve inspection
5-24
1. Measure:
Valve guide bore a
Out of specification → Replace the
valve guide.
Valve guide bore limit:
5.500 ~ 5.512 mm
(0.2165 ~ 0.2170 in)
2. Measure:
Valve seat width a
Out of specification → Reface the
valve seat.
Valve seat width limit:
0.9 ~ 1.1 mm (0.035 ~ 0.043 in)
3. Measure:
Margin thickness a
Out of specification → Replace the
valve.
Margin thickness:
IN: 0.6 ~ 1.0 mm
(0.024 ~ 0.039 in)
EX: 0.7 ~ 1.1 mm
(0.028 ~ 0.043 in)
4. Measure:
Valve stem diameter a
Out of specification → Replace the
valve.
Valve stem diameter:
IN: 5.475 ~ 5.490 mm
(0.2155 ~ 0.2161 in)
EX: 5.460 ~ 5.475 mm
(0.2150 ~ 0.2155 in)
E
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