4st 9.9/15/20 2017
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1) Fire Prevention………………………… 1-2
2) Ventilation ……………………………… 1-2
3) Protection ……………………………… 1-2
4) Genuine Parts ………………………… 1-2
5) Tools …………………………………… 1-3
6) Recommendations on service ……… 1-3
7) Cautions in disassembling and
assembling components……………… 1-4
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1) Test Propeller ………………………… 1-5
2) Measuring Instruments ……………… 1-5
3) Special Tools ………………………… 1-6
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1) Steering Handle ……………………… 1-9
2) Gear Shift ……………………………… 1-9
3) Engine Oil ……………………………… 1-9
4) Gear Oil………………………………… 1-9
5) Fuel Line ……………………………… 1-10
6) Rigging ………………………………… 1-10
7) Inspection of PT unit (EFT, EPT) …… 1-10
8) Inspection of Manual Tilt
(Except for EFT, EPT)………………… 1-10
9) Inspection of Starting Switch and
Stop Switch …………………………… 1-11
10) Cooling Water Check Port …………… 1-12
11) Idling …………………………………… 1-12
12) Propeller Selection …………………… 1-12
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1) Engine Dimensions …………………… 2-2
2) Transom Bolts ………………………… 2-4
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1) ECU Fuel Feed System ……………… 2-5
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1) Inspection of Top Cowl ……………… 3-4
2) Inspection of Fuel Hoses …………… 3-4
3) Inspection of Fuel Tank ……………… 3-5
4) Inspection of Fuel Filter ……………… 3-5
5) Replacement of Engine Oil ………… 3-6
6) Replacement of Oil Filter …………… 3-7
7) Inspection of Gear Oil Quantity……… 3-8
8) Inspection of Water Pump …………… 3-9
9) Replacement of Gear Oil …………… 3-11
10) Inspection of Gear Case (for leakage)
………………………………………… 3-12
11) Inspection of Timing Belt …………… 3-13
12) Replacement of Timing Belt ………… 3-13
13) Inspection of Spark Plugs …………… 3-17
14) Inspection of Compression Pressure 3-18
15) Inspection and Adjustment of
Valve Clearance ……………………… 3-19
16) Adjustment of Throttle Cable
(Tiller handle model) ………………… 3-20
17) Adjustment of Shift • Throttle Cable
(Remote control model) ……………… 3-21
18) Inspection of Shift Lever Gear Operations
………………………………………… 3-23
19) Inspection of PT Unit Operation …… 3-24
20) Inspection of Manual Tilt Operations 3-24
21) Inspection of PT Fluid Quantity ……… 3-25
22) Inspection of Idle Speed……………… 3-25
23) Inspection of Ignition Timing ………… 3-26
24) Inspection of Anodes ………………… 3-27
25) Replacement of Anodes ……………… 3-28
26) Inspection of Propeller ……………… 3-28
27) Inspection of Thermostat …………… 3-29
28) Inspection of Cooling Water Passage 3-29
29) Inspection of Cooling Water Pressure 3-29
30) Flushing with Water…………………… 3-30
31) Inspection of Battery ………………… 3-31
32) Greasing points ……………………… 3-32
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Fuel Hose, Vent Hose, Breather Hose,
Cooling Water Hose ……………………… 4-3
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Intake Manifold …………………………… 4-4
Electric Parts ……………………………… 4-8
Separate Fuel Tank ……………………… 4-12
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1) Sensors ………………………………… 4-14
2) Actuators ……………………………… 4-16
3) Control System (ECU) ……………… 4-17
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1) Fuel Injection Timing ………………… 4-18
2) Start Up Fuel Mapping ……………… 4-19
3) Acceleration Fuel Mapping ………… 4-19
4) Deceleration Fuel Mapping ………… 4-19
5) Correction Based On
Intake Air Temperature ……………… 4-19
6) Correction Based On
Cylinder Cooling Water Temperature
………………………………………… 4-19
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