TOHATSU MFS 25D Service Manual page 359

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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
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Troubleshooting
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K
State 3 Engine rotation is unstable or
PT Unit ............................................. 9-17
State 1 PT unit will not operate. ............ 9-17
State 2 PT unit is not capable of
Diagnosis .......................................... 9-19
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Lubrication System ........................... 9-12
Cooling System ................................. 9-13
hunting occurs in low
speed range. ........................... 9-14
Ignition System ................................. 9-15
Fuel System .................................... 9-16
sustaining the outboard motor. ... 9-18
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