7-59
POWR
Power unit
TIP:
When measuring the piston boss inside
diameter, do not measure it at the ring
groove
b
.
Checking the piston pin diameter
1.
Measure the piston pin diameter
a
.
Checking the connecting rod small
end inside diameter and big end
inside diameter
1.
Tighten the connecting rod bolts
1
to the
specified torques in 2 stages.
2.
Measure the connecting rod small end
inside diameter
a
and big end inside
diameter
b
.
Checking the connecting rod big end
side clearance
1.
Measure the connecting rod big end side
clearance
a
.
Checking the crankshaft
1.
Measure the crankshaft journal diameter
a
, crankpin diameter
b
, and crankpin
width
c
.
Piston pin boss inside diameter
a
:
15.974–15.985 mm (0.6289–0.6293 in)
Piston pin diameter
a
:
15.965–15.970 mm (0.6285–0.6287 in)
Connecting rod bolt
1
:
1st: 6 N·m (0.6 kgf·m, 4.4 ft·lb)
2nd: 17 N·m (1.7 kgf·m, 12.5 ft·lb)
a
b
a
1
Connecting rod small end inside
diameter
a
:
15.985–15.998 mm (0.6293–0.6298 in)
Connecting rod big end inside
diameter
b
:
36.000–36.024 mm (1.4173–1.4183 in)
Connecting rod big end side clearance
a
(reference data):
0.050–0.220 mm (0.0020–0.0087 in)
a
a
a
b
c
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: ......