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Discussion Starter · #1 ·
Decided to remove the STOCK supplied spark plug NGK CPR6EA-9 and replaced it with NGK CPR7EA-9. Since most of my riding is WOT at 50-65mph all day I wanted a plug that could handle the HEAT a little better.

I did notice that the new plug gave the Grom a little get up and go, not sure if it is because of the new plug or because the grom has under 300 miles on the ODM.

Riding that GROM like I stole it. WOT:eek:illeak:
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