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TOHATSU MFS 25d Service Manual

TOHATSU MFS 25d
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8-24
Electrical System
4st 25/30 2022
1. Remove the engine temperature sensor 1 from the
engine.
2. Place the engine temperature sensor in a vessel
containing water and slowly heat the water. To measure
the resistance at low temperatures, place the sensor in ice
water, refrigerator, etc. to cool the sensor.
3. Measure the engine temperature sensor resistance.
Replace it if the value is not as specified.
Engine Temperature Resistance
(Reference Value):
Between terminals
At about 5& WRNї
At about 25& WRNї
At about 100&WRNї
9) Inspection of the Neutral Switch
(Except for MF)
1. Check the conductivity of the neutral switch. Replace it if it
is not conductive.
Switch Position
Lead Wire Color
Green (G) Green (G)
Free a
Pushed (shift in)
b
Remove the part to test it as a separate unit.
8) Inspection of the Engine
Temperature Sensor
This test can be conducted without removing the
part.
a
b

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TOHATSU MFS 25d Specifications

General IconGeneral
BrandTOHATSU
ModelMFS 25d
CategoryOutboard Motor
LanguageEnglish

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