Harley Davidson Forums - Thunderheader rejet question

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EastBay510

09-17-2011 02:55 AM

Thunderheader rejet question

Hey everyone, I just put a thunderheader on my 06 1200c and I'm wondering if I need to rejet the carb. I did a forum search and asked people I knew and i keep hearing yes and no. I also heard some people saying I should have it tuned on a dyno. So basically I'm just wondering if any of this is absoultey needed and what are the advantages/disadvantages. Thanks for the help.

xFreebirdx

09-17-2011 06:39 AM

Keep an eye on your plugs with this CHART and decide from there.

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