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VALVES
a
a
Installed compression spring force (Intake):
Installed compression spring force (Exhaust):
Installed length (Intake):
Installed length (Exhaust):
6.
Measure:
• Valve spring tilt "a"
Tilt limit:
Out of specifications Replace.
7.
Check:
• Valve spring contact surface "a"
a
More than 2/3 of the contact surface does not con-
tact Replace.
CHECKING THE VALVE SEATS
The following procedure applies to all of the valves and
valve seats.
1.
Remove carbon deposits from the valve face and
valve seat.
2.
Apply a small amount of coarse mechanic's blue lay-
out fluid to the valve face "a".
3.
Insert the valve into the valve guide and use a valve
lapper to contact the valve face with the valve seat.
TIP
Do not rotate the valve while the valve face is contacting
the valve seat.
3-29
67.7 N (6.90 kgf, 15.2 lbf)
118.1 N (12.0 kgf, 26.5 lbf)
29.3 mm (1.1535 in)
29.0 mm (1.1417 in)
1.7 mm (0.0669 in)
1
2
3
4
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7
8
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10
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