POWR
5-31
CYLINDER HEAD
E
3. Measure:
•
Valve seat width
Out of specification
→
Reface the
valve seat.
CHECKING THE VALVE
1. Check:
•
Valve
Deformation
→
Replace.
2. Measure:
•
Margin thickness
Out of specification
→
Replace.
3. Measure:
•
Valve stem diameter
Out of specification
→
Replace.
4. Measure:
•
Valve stem run-out
Out of specification
→
Replace.
NOTE:
The valve guide and valve stem seal should
be replaced when the valve is replaced.
a
Valve seat width
0.9 - 1.1mm
(0.035 - 0.043 in)
a
a
a
Margin thickness
IN 0.6 - 1.0 mm
(0.024 - 0.039 in)
EX 0.7 - 1.1 mm
(0.028 - 0.043 in)
Valve stem diameter
IN 5.475 - 5.490 mm
(0.2156 - 0.2161 in)
EX 5.460 - 5.475 mm
(0.2150 - 0.2155 in)
a
a
Stem run-out limit
IN, EX 0.016 mm (0.0006 in)
Содержание F40BMHD
Страница 60: ...SPEC 2 12 MAINTENANCE SPECIFICATIONS E DIMENSIONS H9 L3 L7 L6 L2 L1 H2 H1 H7 H4 H3 H8 H6 W5 W6 W1 L4 A1 A3 A2 ...
Страница 126: ...GENERAL 3 25 E CHK ADJ LUBRICATION POINTS Apply Water resistant grease ...
Страница 128: ...CHK ADJ 3 26 GENERAL E ...
Страница 129: ...3 26 CHK ADJ F D ES ...
Страница 272: ...E LOWR BACKLASH 6 34 MEASURING THE FORWARD GEAR BACKLASH 6 34 MEASURING THE REVERSE GEAR BACKLASH 6 36 ...
Страница 528: ......
Страница 529: ......
Страница 536: ......
Страница 537: ...Printed on recycled paper Printed in Japan Sep 1999 1 7 1 F40B YAMAHA MOTOR CO LTD ...