TOHATSU NB-1000 Service Manual page 259

When repairs are complete, make sure all ignition
and electrical leads are properly routed and
clamped in their original positions and the start-
in-gear prevention system must be tested before
returning engine to customer.
The following tests must be performed with
correct test propeller and with the engine in a
test tank.
If the battery fails to maintain a charge:
1. Check battery, see Battery Care and Maintenance in this section.
2. Check 15A (10A - 5 model only) engine fuse. lf it is blown, check
the following short or overload conditIons:
• Short in charging circuit wiring or components, such as the
alternator coils or rectifier/regulator.
• Short in starter circuit wiring or components, such as starter
solenoid, main key switch, or neutral start switch.
• Overload in starter motor.
3. Check main key switch for continuity between RED leads with
switch in OFF position, see Main Key Switch Test in this section.
4. Check alternator coils, see Alternator Coil Tests in this section.
5. Check rectifier/regulator, see Rectifier/Regulator Tests in this section.
1-/ 2-Cylinder
CAUTION
CAUTION
ELECTRICAL SYSTEM
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