3-26
VALVE
1
5
2
3
4
SCF3180
a
VALVE AND VALVE SPRING REMOVAL
1. Remove:
9
Valve cotter
1
9
Valve spring retainer
2
9
Valve spring
3
9
Valve
4
Remove the parts using the valve
spring compressor
5
.
NOTE:
Do not compress the spring more than neces-
sary.
VALVE AND VALVE SPRING INSPECTION
1. Measure:
9
Valve stem length
a
9
Valve face diameter
b
Out of specifications
→
Replace.
2. Measure:
9
Valve stem diameter
a
Out of specifications
→
Replace.
ENG
Valve spring compressor:
YM-01253, 90890-01253
Valve stem length:
Intake: 65.9 mm (2.59 in)
Exhaust: 66.2 mm (2.61 in)
Valve face diameter:
Intake: 24.0 mm (0.94 in)
Exhaust: 22.0 mm (0.87 in)
Valve stem diameter:
Intake and exhaust: 5.5mm
(0.22 in)
Wear limit
Intake: 5.4 mm (0.21 in)
Exhaust: 5.4 mm (0.21 in)
7CF7E0-03 05.7.3 15:14 Page 26