spark plug question

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spark plug question


Post by 61FLHPan » Mon Sep 19, 2011 6:10 pm

what can cause your bike to run on one plug i started the bike today to go for a ride it was fireing on one plug so I new plug in started right up on two plug what can cause that Thank you

john HD
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Re: spark plug question


Post by john HD » Mon Sep 19, 2011 6:20 pm


this fellow seems to think it is a lack of glazing on the tips of modern plugs. ... ion-vs-ngk
interesting read.


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