7-63
POWR
Power unit
TIP:
When loosening the crankcase bolts, loosen
them in the opposite order used for tighten-
ing.
Selecting the crankshaft journal
bearing
When replacing the crankshaft journal bear-
ing, select the bearing as follows.
1.
Check the stamped marks
a
on the
crankcase.
2.
Select the bearing color
b
for the crank-
shaft journal bearings from the table.
Assembling the cylinder block
Do not reuse an oil seal or piston pin clip,
always replace it with a new one.
1.
Assemble the piston
1
, connecting rod
a
, piston pin
2
, and piston pin clips
3
.
TIP:
• Face the protrusion
b
on the connecting
rod
a
in the same direction as the “UP”
mark
c
on the piston crown.
• Do not align the piston pin clip end with the
groove
d
in the piston pin boss.
2.
Install the oil rings
e
, 2nd ring
f
, and
top ring
g
.
TIP:
• Make sure that the “T” marks
h
of the 2nd
ring
f
and the top ring
g
are facing
upward.
• Make sure that the piston rings move
smoothly.
3.
Offset the piston ring end gaps.
NOTICE:
Do not scratch the pistons or break
the piston rings.
Stamped mark
a
Bearing
color
b
A
Red
B
Pink
C
Green
J2
J3
J1
a
b
E
E
3
2
1
3
3
a
d
c
b
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...
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