7-61
POWR
Power unit
TIP:
• Make sure that the protrusions
f
on the
connecting rod
a
and connecting rod cap
b
face towards the flywheel magnet end of
the crankshaft.
• Do not turn the connecting rod until the
crankpin oil clearance measurement has
been completed.
5.
Remove the connecting rod cap, and
then measure the width of the com-
pressed Plastigauge (PG-1) on the
crankpin.
Selecting the crankpin bearing
When replacing the crankpin bearing, select
the bearing as follows.
1.
Check the connecting rod mark
a
or
painted color
b
.
2.
Select the bearing color
c
for the crank-
pin bearing from the table.
Checking the crankshaft journal oil
clearance
1.
Clean the crankshaft journal bearings,
crankshaft journal, and bearing portions
of the crankcase and cylinder block.
2.
Place the cylinder block upside down.
3.
Install the crankshaft journal bearings
1
and crankshaft
2
into the cylinder block
3
.
TIP:
Install the crankshaft journal bearings
1
in
the original positions.
4.
Place a piece of Plastigauge (PG-1) on
each crankshaft journal
a
parallel to the
crankshaft.
Crankpin oil clearance (reference data):
0.016–0.040 mm (0.0006–0.0016 in)
b
a
Connecting rod
mark
a
/color
b
Bearing color
c
I/Red
Red
II/Blue
Pink
III/Yellow
Green
c
c
2
3
1
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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