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Reviewed in the United States on February 23, 2025
Excelente herramienta
Bass Ron
Reviewed in the United States on March 2, 2024
I use it to bench test ignition systems. It worked well even at 15mm gap [~45KV]. After several minutes of on continuously the clear guard deformed due to heat [remember arcs are 50000°]; it still WORKS!
Anil A.
Reviewed in the United States on October 20, 2024
Good spark plug tester that shows you the amount of spark your spark plug is producing
Thomas
Reviewed in the United States on October 10, 2024
I used it to check and see if i was getting a good spark from my coil pack on my outboard motor. It worked perfectly and was easy to operate and see the spark.
Tony
Reviewed in the United States on August 2, 2023
Did exactly what I needed it to do to help me diagnose my push mower.Saw no spark at first then after repairing the mower I saw the spark in the tester. Great helper
Prime member CM
Reviewed in the United States on January 6, 2023
I bought two if these from another supplier a couple years ago and couldn't use them for my twin garden tractor engine because of the wide minimum gap. I recently couldn't find my other testers and decided to modify these for small engines. I first used a die to cut the threads deeper, but doubt that made any difference. I ended up filing about a 1/4 on the inside thread side of the adjustment knob so the adjustment was closer to a small engine spark gap.. I think some if not many aftermarket coils for small engines are weaker than the originals. Newer style small engine coils that don't use points aren't what they should be and likely can't be tested with meters accurately.
SLC
Reviewed in the United States on November 30, 2017
good product, fast delivery
Omar
Reviewed in the United States on October 18, 2017
I don't know what kind of spark plugs these people are testing but I will tell you I never seen a spark plug that has a gap that big. Can't adjust the gap, it is just way too freaking big.
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