[Spark Plug Gap Size] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

Pages:1

Spark Plug Gap Size
(Click here to view the original thread with full colors/images)

Posted by: cosborne

I need to know what the gap size should be for my '02 400ex. Thanks. (its NGK)

Posted by: underpowered

NGK plugs come pre-gapped, should not have to gap them. but depending on the plg, most are around .28 or .30

Posted by: Honda#4

i've never had a plug that was gapped right yet. all ways regap your plugs to make sure they are right.

Posted by: cosborne

thanks guys