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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Engine » Electrics: Starter, Ignition, Coil, Spark Plugs/Cables, ECM, "TPS Reset" » Xb12 w/ xb9 pistons - spark plug and gap? « Previous Next »

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Affatbe
Posted on Monday, October 21, 2013 - 09:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
my bike was running rough and over heating so I did a complete tare down and replace a broken oil jet. while I had the bike down I swapped to xb9 domed pistons. The bike still has a rough idle but no longer over heating :-). I spoke with some people about the idle and bue to the increase to compression they suggested the gap may be different for the new pistons and I should run a cooler plug. Anyone have insight on this or done it themselves?

All the research I have done is the 9's and 12's have the same recommended gap and plug so not sure if this would even help.
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Affatbe
Posted on Monday, October 21, 2013 - 10:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)




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