Power Unit; Starting System - TOHATSU MFS25 Service Manual

Before working on the engine, check that full, rigging and engine installation are normal, and then
battery is fully charged. For mechanical troubleshooting, refer to relevant troubleshooting section in
this chapter. For checking and servicing outboard motor, refer to service procedures described in
this manual to perform the works safely.

2.Power Unit

State 1 Engine will not start or is a little hard to start.
Check that gear shift is
in neutral (N).
Neutral (N)?
YES
Check operations of starter
motor or recoil starter.
Operates?
YES
(Electric Start Model)
Check battery cables for defective
contact, earth lead wire securing
bolt for looseness or disconnection,
starter motor positive terminal for
break, and fuse if it is blown.
Normal?
YES
Check operations of starter
solenoid.
Normal?
YES
Go to next page.
25/30 2006

Starting System

YES
(Recoil start model)
Check recoil starter or
starter lock cable.
NO
Shift into neutral (N).
NO
Check ignition system
and/or fuel system.
NO
Repair or replace
defective parts.
NO
Replace starter solenoid.
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