7-46
7
2.
Check the spark plug. Replace if the
electrodes are eroded, there is carbon or
other deposits.
3.
Check the spark plug gap
b
. Replace if
out of specification.
Checking the cylinder head anode
1.
Check the anodes. Replace if eroded.
Clean if there is grease, oil, or scales.
NOTICE:
Do not apply grease, oil, or
paint to the anodes.
Assembling the cylinder head
Do not reuse a gasket, oil seal, O-ring, or
valve seal, always replace it with a new
one.
1.
Install a new valve seal
1
.
2.
Install the valve
2
, valve spring seat
3
,
valve spring
4
, and valve spring retainer
5
in this order, and then attach the spe-
cial service tools
6
and
7
.
TIP:
Face the wide-pitched valve spring end
a
,
identified by the paint mark, toward the valve
spring retainer
5
.
3.
Compress the valve spring, and then
install the valve cotters
8
.
Specified spark plug: DPR6EB-9 (NGK)
Spark plug gap
b
:
0.8–0.9 mm (0.031–0.035 in)
a
b
Valve spring compressor
6
:
90890-04019
Valve spring compressor attachment
7
:
90890-06320
E
1
a
5
4
3
2
6
7
E
E
Содержание Kingfish 25
Страница 1: ...YAMAHA MOTOR CO LTD F4A F4 Goldfish 4 Kingfish 25 SERVICE MANUAL...
Страница 4: ......
Страница 20: ...0 15 GEN INFO General information MEMO...
Страница 45: ...1 25 SPEC Specification MEMO...
Страница 65: ...2 19 TECH FEA Technical features and description MEMO...
Страница 81: ...3 17 RIG GING Rigging information MEMO...
Страница 215: ...7 67 POWR Power unit MEMO...
Страница 229: ...LOWR Lower unit 8 11 0 A...
Страница 242: ...8 24 8 Shimming Shim location T1 T2 T3 T3 A3 B3 42 5 T1 T2 24 0 24 0 B2 A1 A2 B1 Drive shaft and lower case Shimming...
Страница 259: ...LOWR Lower unit 8 41 5 Install new O rings C and D Ball bearing attachment B 90890 06633 A G B C D...
Страница 392: ...A Appendix Wiring diagram A 1 How to use the wiring diagram A 1...
Страница 394: ......
Страница 395: ......