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TOHATSU MFS 25d Service Manual

TOHATSU MFS 25d
413 pages
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9
O
K
9
Troubleshooting
O
K
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

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TOHATSU MFS 25d Specifications

General IconGeneral
BrandTOHATSU
ModelMFS 25d
CategoryOutboard Motor
LanguageEnglish

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