6-4
6
Checking the fuel joint
1.
Check the fuel joint
1
. Replace if
cracked or damaged.
2.
Connect the special service tool
2
to the
fuel joint outlet
a
.
3.
Apply the specified positive pressure.
Replace the fuel joint if the specified
pressure cannot be maintained for at
least 10 seconds.
Checking the fuel filter assembly
1.
Connect the special service tool
1
to the
fuel inlet
a
.
2.
Block the fuel outlet
b
using a rubber
plug
2
, and then apply the specified
positive pressure. Replace the O-ring,
fuel filter cup, or fuel filter assembly if the
specified pressure cannot be maintained
for at least 15 seconds.
Checking the fuel filter element
1.
Check the fuel filter element. Clean if
there is dirt or residues.
Vacuum/pressure pump gauge set
2
:
90890-06756
Specified positive pressure:
50.0 kPa (0.50 kgf/cm
2
, 7.3 psi)
50
0
2
1
a
Leakage tester
1
: 90890-06840
Specified positive pressure:
200.0 kPa (2.00 kgf/cm
2
, 29.0 psi)
b
a
a
b
1
2
Summary of Contents for Kingfish 25
Page 1: ...YAMAHA MOTOR CO LTD F4A F4 Goldfish 4 Kingfish 25 SERVICE MANUAL...
Page 4: ......
Page 20: ...0 15 GEN INFO General information MEMO...
Page 45: ...1 25 SPEC Specification MEMO...
Page 65: ...2 19 TECH FEA Technical features and description MEMO...
Page 81: ...3 17 RIG GING Rigging information MEMO...
Page 215: ...7 67 POWR Power unit MEMO...
Page 229: ...LOWR Lower unit 8 11 0 A...
Page 392: ...A Appendix Wiring diagram A 1 How to use the wiring diagram A 1...
Page 394: ......
Page 395: ......