Skip to main content

Free Shipping on Domestic Orders $75+

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.

      Ask FixBot

      Add Comment

    1. 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.

      Ask FixBot

      Add Comment

    2. 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.

      Ask FixBot

      Add Comment

    3. 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.

      Ask FixBot

      Add Comment

    4. 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.

      Ask FixBot

      Add Comment

    5. 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.

      Ask FixBot

      Add Comment

    6. 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.

      Ask FixBot

      Add Comment

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

      Ask FixBot

      Add Comment

    8. 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.

      Ask FixBot

      Add Comment

Conclusion

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

Cancel: I did not complete this guide.

Sam Omiotek

Member since: 02/25/19

100,571 Reputation

289 Guides authored

0 Guide Comments

Add Comment

View Statistics:

Past 24 Hours: 7

Past 7 Days: 23

Past 30 Days: 53

All Time: 818