Maintenance - TOHATSU MD 70-90C2 Service Manual

1. Special Tools .............................. 3-2
2. Inspection Schedule .................. 3-3
3. Inspection Items ........................ 3-4
1) Inspection of Top Cowl ............... 3-4
2) Oil Filter and Oil Tank .................. 3-4
3) Air Bleeding .............................. 3-4
4. Fuel System ................................. 3-6
1) Inspection of Fuel Pipes and Joints ... 3-6
2) Inspection of Fuel Tank (option) ... 3-6
3) Inspection of Low Pressure Fuel Filter ... 3-7
4) Inspection of Air Compressor Air Filter ... 3-7
5) Inspection of Air Pressure ............ 3-7
6) Inspection of Fuel Pressure ......... 3-8
7) Inspection of Drive Belt ............... 3-9
8) Adjustment of Drive Belt Tension ... 3-9
5. Power Unit ................................. 3-10
1) Inspection of Spark Plugs ............ 3-10
2) Inspection of Compression Pressure ...... 3-11
3) Inspection of Thermostat ............ 3-12
4) Inspection of Cooling Water Passage ... 3-13
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Maintenance

6. Operating System ........................ 3-13
1) Adjustment of Throttle Cable ......... 3-13
2) Adjustment of Shift Cable ............ 3-14
3) Inspection of Idle Engine Speed ... 3-15
7. PTT System ................................. 3-15
1) Inspection of PTT Unit Operation ... 3-15
2) Inspection of PTT Fluid Quantity ... 3-15
8. Lower Unit ................................. 3-16
1) Inspection of Gear Oil Quantity ...... 3-16
2) Replacement of Gear Oil ............ 3-17
3) Inspection of Gear Case (for leakage) ... 3-18
4) Inspection of Water Pump ............ 3-18
9. Others .......................................... 3-19
1) Replacement of Anode ............... 3-19
2) Inspection of Propeller ............... 3-20
3) Inspection of Battery .................. 3-21
4) Flushing with Water ..................... 3-22
5) Greasing ................................. 3-24
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