Specifications

Four Cycle Troubleshooting - continued

NOTE: Refer to Technician's Handbook for a more detailed list of remedies.

IGNITION SYSTEM

Engine Will

Not Start

No Spark

Spark

Check for

spark

Spark

Set proper point gap,

check condensor and

timing

No Spark

Replace spark plug

Isolate engine from all

equipment (disconnect

wiring harness), repeat

test

Parasitic load too

high

Test coil for

intermittent or weak

spark

Set proper air gap on

external coil

Check flywheel for

correct key, damaged

or sheared key

Test ignition

module

Engine problem,

check for shorts or

grounds in wiring

Equipment problem,

check switches,

wiring and

equipment controls