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5-28
POWR
E
VALVES
CHECKING THE VALVE
5
1. Check:
• Valve
Damage/warpage
→
Replace.
2. Measure:
• Margin thickness
a
Out of specification
→
Replace.
Margin thickness
IN: 0.8 - 1.2 mm
(0.031 - 0.047 in)
EX: 1.0 - 1.4 mm
(0.039 - 0.055 in)
a
5300
3. Measure:
• Valve stem diameter
a
Out of specification
→
Replace.
Valve stem diameter
IN: 5.975 - 5.990 mm
(0.2352 - 0.2358 in)
EX: 5.960 - 5.975 mm
(0.2346 - 0.2352 in)
a
5310
4. Measure:
• Valve stem runout
Out of specification
→
Replace.
NOTE:
The valve guide, valve seal, and valve
should be replaced as a set.
Valve stem runout limit
IN and EX
0.01 mm (0.0004 in)
5320
Содержание F115A
Страница 124: ...3 26 E INSP ADJ GENERAL 3430 3440 3450 2 Apply Corrosion resistant grease 3451 ...
Страница 598: ...8 4 ELEC E ELECTRICAL COMPONENTS Aft view 8 1 2 8040 1 Spark plug 2 Spark plug lead ...
Страница 711: ......
Страница 712: ...Printed on recycled paper Printed in Japan Jan 2000 0 9 1 CR F115AET FL115AET YAMAHA MOTOR CO LTD ...