MerCruiser 305 CID (5.0L) Service Manual page 206

5.0l / 305 cid / 5.7l / 350 cid ENGINES
6. While compressing valve spring install oil seal in lower groove of valve stem. Ensure
seal is not twisted. A light coating of oil will help prevent twisting.
7. Install valve locks (grease may be used to hold them in place) and slowly release tool.
Ensure locks seat properly in upper grooves of valve stem.
1
2
3
4
5
6
7
8
9
10 -
11 -
8. Check installed height of valve springs using a narrow, thin scale. Measure from spring
seat to top of valve spring, as shown.
Index
Page 3A-40
a - Valve Spring Compressor (J-8062)
2
5
- Valve Locks
- Retainer
- Rotator
- Cap
- Valve Guide Oil Seal
- Oil Shield
- Valve Stem Oil Seal
- Inner Spring
- Outer Spring
Intake Valve
Exhaust Valve
1
1
3
4
6
7
8
9
10
11
Intake Exhaust
SERVICE MANUAL NUMBER 24
a
90-861327--1 OCTOBER 1999
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