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6) Inspection of the Brush ………………… 8-31
7) Starter Motor Operation Test …………… 8-32
7.
The Charging System (Except for MF)
… 8-32
1) Inspection of the Charge Coil …………… 8-32
2) Inspection of the Rectifier ……………… 8-32
8. ECU Coupler ……………………………… 8-33
9. Troubleshooting
1. Troubleshooting List …………………… 9-2
Power Unit …………………………………… 9-3
State 1 Engine will not start or is
hard to start. ……………………… 9-3
Starting System …………………………… 9-3
Ignition System …………………………… 9-5
Fuel System ……………………………… 9-7
State 2 Full throttle engine revolution
speed is low. Engine revolution
speed falls off. Engine stalls.
(Defective acceleration or
deceleration) …………………… 9-9
Ignition System …………………………… 9-10
Fuel System ……………………………… 9-11
Lubrication System ……………………… 9-12
Cooling System …………………………… 9-13
State 3 Engine rotation is unstable or
hunting occurs in low
speed range. ……………………… 9-14
Ignition System …………………………… 9-15
Fuel System ……………………………… 9-16
PT Unit ………………………………………… 9-17
State 1 PT unit will not operate. ………… 9-17
State 2
PT unit is not capable of
sustaining the outboard motor.
… 9-18
Diagnosis …………………………………… 9-19
10. Rigging
1. Service Information …………………… 10-2
2. Service Data ……………………………… 10-2
1) Boat Mounting Restriction ……………… 10-2
2) Mounting Dimensions …………………… 10-2
3) Transom Dimensions …………………… 10-3
4) Lifting Up the Outboard Motor ………… 10-4
5) Installation of the Outboard Motor ……… 10-4
3. Fuel System ……………………………… 10-6
1) Fuel ……………………………………… 10-6
2) Engine Oil ………………………………… 10-6
3) Installation of the Fuel Tank …………… 10-6
4.
Connections to the Outboard Motor
… 10-7
1) Steering Cable …………………………… 10-7
2) Drag Link ………………………………… 10-8
5. Remote Control Components ……… 10-9
1) Installation of the Remote Control Cable
(Remote Controller Side) ……………… 10-9
2) Installation of the Remote Control Cable
(Engine Side)
Remote Control Model ………………… 10-10
6. Lower Unit ………………………………… 10-15
1) Installation of the Propeller ……………… 10-15
7. Meters ……………………………………… 10-16
1) Installation of Meters …………………… 10-16
8. The Electrical System ………………… 10-17
1) Battery Capacity ………………………… 10-17
2) Installation of the Battery ……………… 10-17
3) Wiring Diagram of the
Remote Controller and Meters ………… 10-18
9. Installation of the Trim Sensor …… 10-20
11. Wiring Diagram
Wiring Chart …………………………………… 11-2
MFS25/30D MF
(Basic Tiller Handle Type)
Electric Circuit ……………………………… 11-5
MFS25/30D EF/EFT
(Basic Tiller Handle Type)
Electric Circuit ……………………………… 11-6
MFS25/30D EH/EHT
(Multi-Function Tiller Handle Type)
Electric Circuit
…………………………………
11-7
MFS25/30D EP/EPT
(Side Mount Remote Control Type/
Analog Meter) Electric Circuit
…………… 11-8
MFS25/30D EP/EPT
(Top Mount Remote Control Type/
Analog Meter) Electric Circuit
…………… 11-9
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