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Spark Test

What you need

  1. Spark Test, Safety precautions: step 1, image 1 of 2 Spark Test, Safety precautions: step 1, image 2 of 2
    • Flip the power switch into the STOP position.

    • Make sure the engine is cool to the touch before proceeding.

  2. Spark Test, Remove the muffler cover: step 2, image 1 of 2 Spark Test, Remove the muffler cover: step 2, image 2 of 2
    • Use a T27 Torx screwdriver to remove the two screws securing the bottom of the muffler cover to the motor.

  3. Spark Test: step 3, image 1 of 3 Spark Test: step 3, image 2 of 3 Spark Test: step 3, image 3 of 3
    • Tilt the muffler cover up, hinging along the top edge, until it can be removed from the motor cover.

    • Remove the muffler cover.

  4. Spark Test: step 4, image 1 of 2 Spark Test: step 4, image 2 of 2
    • Pull the spark plug boot straight off of the spark plug.

  5. Spark Test, Connect the spark tester: step 5, image 1 of 2 Spark Test, Connect the spark tester: step 5, image 2 of 2
    • Connect the spark plug boot to the left terminal of the ignition checker.

  6. Spark Test: step 6, image 1 of 1
    • Connect the ignition checker alligator clip to a metal surface on the motor to ground the accessory cord.

  7. Spark Test: step 7, image 1 of 1
    • Set the spark gap to 6 mm by turning the spark gap adjustment knob counterclockwise.

    • Do not set the spark gap unnecessarily wide—a high voltage may damage the ignition coil.

  8. Spark Test: step 8, image 1 of 1
    • Flip the power switch into the ON position.

  9. Spark Test: step 9, image 1 of 3 Spark Test: step 9, image 2 of 3 Spark Test: step 9, image 3 of 3
    • Hold the spark tester by the handle on the bottom. Do not touch the terminals or spark window while the test is being conducted.

    • Watch for a spark in the spark window while a second person pulls the starter to crank the engine.

    • Consult the ignition checker instruction manual to troubleshoot the device.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Sam Omiotek

Member since: 02/25/19

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288 Guides authored

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