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Multi-Ground Spark Plug Gap Setting

Bulletin 1001

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Application

All multi-ground spark plugs or engine applications using multi-ground spark plugs

Overview

A multi-ground tip spark plug may also be listed as a semi-surface discharge type ground electrode. The air gap setting found in some resources may provide an air gap setting with the word ‘air’ and the gap setting such as .020” (.064”).

Procedure

Unless the spark plug has been dropped and the ground electrode has been damaged, the air gap is set at the factory on these spark plugs, no attempt should be made to make further adjustments. To provide a clear understanding of the gap setting suggested in the resource the below illustration can provide reference. The air gap in this instance is 0.020” while the total gap is .064”. Checking the gap should only be done with a wire style gauge without using force as the gap is checked.

 

For addition support contact the GoTech technical services team at 855-207-5630 M-F 7:30-6:00 CST for assistance.

 

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