Troubleshooting Electrical Starter Circuit Flow Chart - Tecumseh V-twin Technician's Handbook

TROUBLESHOOTING ELECTRICAL STARTER CIRCUIT FLOW CHART

Starter will not
turn.
NO
Is there power
at the power
source?
Repair or
replace power
source.
Check wiring,
connections,
safety switches,
starter switch.
Check starter
for binding
brushes, worn
brushes, dirty or
oily commutator.
Intermittent
starter operation.
YES
NO
Is power supplied to the
starter terminal?
NO
Internal engine
failure or flywheel
interference.
Starter turns at
low rpms or stalls
YES
Isolate engine
NO
does engine
Remove spark
plug, ground the
YES
wires. Does
engine turn over
freely?
Reinstall spark
NO
engine bind on
compression
Repair or replace
electric starter.
NO
Internal engine
failure repair or
replace engine.
under load.
from the
YES
equipment,
turn over?
Repair or replace
equipment
causing
excessive
loading.
plug, does
YES
stroke?
Check valve lash.
Adjust if
necessary. Does
the engine turn
over without
binding now ?
Internal engine
failure repair or
replace engine.
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