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TOHATSU MFS 40A User Manual

TOHATSU MFS 40A
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87
11
TROUBLESHOOTING
ENOM00108-0
If you encounter a problem, consult the check list below to determine the cause and to
take the proper action.
An authorized dealer will always be happy to provide any assistance and information.
Difficult to start engine
Engine runs erratically
Low engine speed/
Poor boat speed
Battery will not hold charge
Starter motor will not crank
Power T & T inoperative
*1 Warning lamp A “ON
*1 Warning lamp B “Flash”
Warning lamp C “Flash”
Three warning lamps “Flash”
Warning buzzer “ON”
Possible cause
FUEL SYSTEM
z Empty fuel tank
zz z Incorrect connection of fuel system
zz z Air entering fuel line
zz z Deformed or damaged fuel hose
zz z Closed air vent on fuel tank
zz z Clogged fuel filter or fuel pump
zz z Fuel pump mulfunction
zz Use of improper engine oil
zz z Use of improper gasoline
z Not enough fuel supply by primer
ELECTRICAL SYSTEM
zz z zzzzzzz
Electrical components out of range or improper
or loose wiring connection.
zz Spark plug other than specified
zz z Dirt, soot, etc. on spark plug
zz z No Spark or weak spark
z Short circuit of engine stop switch
z Lack of stop switch lock plate
zzRectifier failure
zzz Blown 30 Amp fuse in the starting circuit
zz Not shifted into neutral position
z zzz z
Weak battery or battery connections are loose
or corroded
zzz Ignition key switch failure
zz Starter motor or starter solenoid failure
z
Power trim & tilt switch defective, Solenoid is
defective

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TOHATSU MFS 40A Specifications

General IconGeneral
BrandTOHATSU
ModelMFS 40A
CategoryOutboard Motor
LanguageEnglish

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