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ENG
VALVES AND VALVE SPRINGS
REMOVAL POINTS
Valve removal
1. Remove:
●
Valve cotters
1
NOTE:
Attach a valve spring compressor
2
between
the valve spring retainer and the cylinder head
to remove the valve cotters.
Valve spring compressor:
YM-4019/90890-04019
INSPECTION
Valve
1. Measure:
●
Stem-to-guide clearance
Out of specification
→
Replace the
valve guide.
Stem-to-guide clearance =
valve guide inside diameter
a
–
valve stem diameter
b
Clearance (stem to guide):
Intake:
0.010 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
<Limit>: 0.08 mm (0.003 in)
Exhaust:
0.025 ~ 0.052 mm
(0.0010 ~ 0.0020 in)
<Limit>: 0.10 mm (0.004 in)
2. Measure:
●
Runout (valve stem)
Out of specification
→
Replace.
Runout limit:
0.02 mm (0.0008 in)
Содержание TT-R90E
Страница 20: ...INDEX GENERAL INFORMATION SPECIFICATIONS REGULAR INSPECTION AND ADJUSTMENTS ENGINE CHASSIS ELECTRICAL ...
Страница 45: ...GEN INFO MEMO ...
Страница 57: ...GEN INFO MEMO ...
Страница 162: ...3 23 INSP ADJ BATTERY INSPECTION AND CHARGING Charging method using a variable voltage charger ...
Страница 163: ...3 24 INSP ADJ BATTERY INSPECTION AND CHARGING Charging method using a constant voltage charger ...
Страница 297: ... ELEC MEMO ...
Страница 309: ... ELEC MEMO ...
Страница 325: ... ELEC MEMO ...
Страница 331: ... ELEC MEMO ...
Страница 339: ......
Страница 340: ...PRINTED IN JAPAN 2002 09 0 3 1 CR E F G PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...