4 - 30
ENG
VALVES AND VALVE SPRINGS
EB403702
INSTALLING THE VALVES
The following procedure applies to all of
the valves and related components.
1. Deburr:
• valve stem end
(with an oil stone)
2. Lubricate:
• valve stem
1
• oil seal
2
(with the recommended lubricant)
Recommended lubricant
Molybdenum disulfide oil
3. Install:
• oil seal
1
• valve
2
• lower spring seat
3
• valve springs
4
• upper spring seat
5
(into the cylinder head)
NOTE:
• Make sure that each valve is installed
in its original place.
• Install the valve spring with the larger
pitch
a
facing up.
b
Smaller pitch
New
a
a
b
b
a
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: ......