5-28
POWR
E
VALVES
Valve spring inspection
1. Measure:
●
Free length
a
Out of specification
→
Replace.
Free length limit:
52.25 mm (2.057 in)
2. Measure:
●
Valve spring tilt
a
Out of specification
→
Replace.
Valve spring tilt limit:
IN and EX: 2.6 mm (0.10 in)
Cylinder head inspection
1. Measure:
●
Cylinder head warpage
Out of specification
→
Reface.
Warpage limit:
0.1 mm (0.004 in)
Valve guide inspection
1. Measure:
●
Valve guide bore
a
Out of specification
→
Replace the
guide.
Valve guide bore:
6.005 ~ 6.018 mm
(0.236 ~ 0.237 in)
Replacement steps:
●
Remove the valve guide with the valve
guide remover/installer.
Valve guide remover/installer:
YM-4064-A/90890-04064
a
Summary of Contents for F100A
Page 51: ...F D ES SPEC 2 9 DIMENSIONS ABMESSUNGEN DIMENSIONES DIMENSIONS ABMESSUNGEN DIMENSIONES 9 ...
Page 58: ...2 13 SPEC E HOSE ROUTING HOSE ROUTING 2 1 3 1 Water hose 2 Blow by gas hose 3 Oil return hose ...
Page 394: ...8 4 ELEC E ELECTRICAL COMPONENTS Rear view 1 2 1 Spark plug 2 Spark plug lead ...
Page 462: ......
Page 463: ...Printed on recycled paper Printed in Japan Oct 2000 0 2 1 CR F100AET YAMAHA MOTOR CO LTD ...