Service Manual

5-11
Table of Contents
Electrical
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
ELECTRICAL SYSTEM AND COMPONENTS
Ignition Coil Testing (Cont.)
Testing spark using electric starter only
WARNING
Avoid re and explosion.
This test creates open spark which could ignite spilled
fuel.
1. Connect spark tester to spark plug’s high tension terminal.
NOTE: Do not remove the spark plugs.
2. Ground tester to engine block.
NOTE: Tester must have good ground to cylinder block, not plastic.
3. If two testers are available, both coils can be checked at once.
4. Use electric starter to rotate engine.
NOTE: Do not engage the starter for more than 10 seconds at a time. Failure to follow these instructions
can damage the starter motor.
5. Monitor tester(s) for spark.
If no spark is present
1. Check chassis safety system, refer to product service manual.
2. Verify spark tester is fully inserted into spark plug’s high tension terminal.
3. Repeat test.
4. Remove coil ground wire.
5. Repeat test.
6. Replace ignition coil if still no spark.