A.
EXHAUST VALVE
B.
INTAKE VALVE
1. CYLINDER HEAD
2. VALVE
Figure 17. Valve Seat Widths and Valve/Valve Seat Overlap
VALVE SPRINGS
Measure length of valve springs. The correct length
is 51.6 mm (2.03 in.).
WARNING
Be careful when testing the valve springs. These
springs can come loose with enough force to
cause an injury. Always use equipment that was
designed to test springs. Always wear eye and
face protection while testing valve springs.
Use a special tool to check tension of valve springs.
Compress the spring to correct height and check
tension. For correct specifications, see Figure 18.
Replace valve springs that are not within specifica-
tions.
Cylinder Head Repair
0600 SRM 1251
12