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ENG
VALVES AND VALVE SPRINGS
EB403100
REMOVING THE VALVES
The following procedure applies to all of
the valves and related components.
NOTE:
Before removing the internal parts of the
cylinder head (e.g., valves, valve
springs, valve seats), make sure that the
valves properly seal.
1. Remove:
• valve lifter
1
• valve pad
2
NOTE:
Make a note of the position of each
valve lifter and valve pad so that they
can be reinstalled in their original place.
2. Check:
• valve
(for leakage)
Leakage at the valve seat
→
Check the
valve face, valve seat, and valve seat
width.
Refer to “CHECKING THE VALVE
SEATS”.
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a. Pour a clean solvent
a
into the intake
and exhaust ports.
b. Check that the valves properly seal.
NOTE:
There should be no leakage at the valve
seat
1
.
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Summary of Contents for YZF-R7
Page 1: ...5FL 28199 E0 YZF R7 OWNER S SERVICE MANUAL ...
Page 8: ......
Page 58: ...2 20 SPEC Crankcase tightening sequence TIGHTENING TORQUES ...
Page 72: ...3 3 CHK ADJ ...
Page 363: ...8 27 ELEC ...
Page 380: ......