4-CYCLE OVERHEAD VALVE ENGINES - Small Engine Discount
4-CYCLE OVERHEAD VALVE ENGINES - Small Engine Discount
4-CYCLE OVERHEAD VALVE ENGINES - Small Engine Discount
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FOUR <strong>CYCLE</strong> IGNITION TROUBLESHOOTING<br />
<strong>Engine</strong> Will<br />
Not Start<br />
<strong>Engine</strong> runs<br />
erratically or shuts<br />
off, restarts<br />
Check for spark<br />
Spark<br />
No Spark<br />
Check for the correct spark<br />
plug<br />
Check flywheel and key for<br />
damage or sheared key<br />
Spark<br />
Replace spark plug<br />
Isolate engine from<br />
equipment and repeat<br />
test<br />
No Spark<br />
Set proper air gap on<br />
ignition module<br />
Equipment problem,<br />
check switches, wiring<br />
and equipment controls<br />
<strong>Engine</strong> problem, check<br />
for shorts or grounds in<br />
wiring<br />
Test ignition module<br />
for intermittent or<br />
weak spark<br />
Check electric starter and<br />
battery if applicable<br />
Disconnect ignition<br />
ground-out wire at<br />
the igniton module &<br />
repeat test<br />
Check for proper air gap<br />
on ignition module<br />
and repeat test<br />
Check flywheel magnets<br />
for strength<br />
Test ignition module<br />
Not For Resale<br />
www.<strong>Small</strong><strong>Engine</strong><strong>Discount</strong>.com<br />
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