4-28
ENG
VALVES AND VALVE SPRINGS
j. Measure the valve seat width
c
again. If
the valve seat width is out of specification,
reface and lap the valve seat.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS00241
CHECKING THE VALVE SPRINGS
The following procedure applies to all of the
valve springs.
1. Measure:
9
valve spring free length
a
Out of specification
→
Replace the valve
spring.
2. Measure:
9
compressed valve spring force
a
Out of specification
→
Replace the valve
spring.
b
Installed length
3. Measure:
9
valve spring tilt
a
Out of specification
→
Replace the valve
spring.
Valve spring free length
Intake and exhaust valve
springs
33.75 mm (1.33 in)
<Limit>: 32.05 mm (1.2618 in)
Compressed valve spring force
(installed)
Intake and exhaust valve
springs
138 – 148 N
(14.07 – 15.09 kgf)
at 24.2 mm (0.95 in)
Spring tilt limit
Intake and exhaust valve
springs
1.4 mm (0.06 in)
3S3-F8197-E0_4_1 05.11.18 13:15 Page 28
Summary of Contents for Sirius T110LSE
Page 1: ...T110LE T110LSE SERVICE MANUAL 3S3 F8197 E0 ...
Page 2: ......
Page 6: ......
Page 8: ......
Page 10: ......
Page 12: ...GEN INFO ...
Page 22: ...SPEC ...
Page 99: ...ENG ...
Page 179: ...ENG 4 80 ...
Page 181: ...CARB ...
Page 261: ...ELEC ...
Page 265: ...ELEC CHECKING SWITCH CONTINUITY 7 4 ...
Page 301: ...TRBL SHTG ...
Page 303: ...TRBL SHTG TROUBLESHOOTING 8 2 COMPRESSION SYSTEM ...
Page 305: ...TRBL SHTG ...
Page 306: ......
Page 307: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...