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Buell Motorcycle Forum » Old School Buell » Archive through March 30, 2008 » Spark plugs « Previous Next »

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Dfbutler
Posted on Saturday, March 29, 2008 - 03:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've got a 1250 kit and 10.5 pistons. I just changed plugs and it seems to be pinging much more than it used to. I put in NKG Iridiums. Should I try a different heat range?
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89rs1200
Posted on Saturday, March 29, 2008 - 09:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sound like you need to back off the advance or use higher octane fuel.
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Bluesboy
Posted on Saturday, March 29, 2008 - 10:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Don,did it ping with the plugs you replaced? were they the same heat range?
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Xldevil
Posted on Saturday, March 29, 2008 - 10:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Riding the 1250cc myself,I+m happy with the NGK DCPR9EIX plugs
Ralph
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Bad_karma
Posted on Sunday, March 30, 2008 - 02:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My 1250 runs just fine on the stock plugs. Sounds like a fueling issue. Don't let this go on for too long.
Joe
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Chasespeed
Posted on Sunday, March 30, 2008 - 03:55 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

DF which plugs are you running?

Yes, try to cool it down one range at a time...

Better yet, go to the coldest they have(what I am running), and go from there...

Chase
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