Yamaha XJR1300(L) 99, Руководство по обслуживанию

Страница: 136 / 338

4-24
ENG
VALVES AND VALVE SPRINGS
Valve spring free length (intake and
exhaust)
Inner spring <Limit>
39.65 mm <37.5 mm>
Outer spring <Limit>
41.1 mm <39 mm>
2. Measure:
S
compressed spring force
a
Out of specification Replace the valve
spring.
b Installed length
Compressed spring force
Intake and exhaust inner spring
61.7 72.5 N (6.29 7.39 kg)
at 32.8 mm
Intake and exhaust outer spring
130.4 154.0 N (13.3 15.7 kg)
at 34.8 mm
3. Measure:
S
valve spring tilt
a
Out of specification Replace the valve
spring.
Spring tilt limit
Intake and exhaust inner spring
2.5
_
/ 1.7 mm
Intake and exhaust outer spring
2.5
_
/ 1.7 mm
EAS00242
CHECKING THE VALVE LIFTERS
The following procedure applies to all of the
valve lifters.
1. Check:
S
valve lifter
Damage / scratches
Replace the valve lift-
ers and cylinder head.
EAS00245
INSTALLING THE VALVES
The following procedure applies to all of the
valves and related components.
1. Deburr:
S
valve stem end
(with an oil stone)