plugs look ok? - Harley Davidson Forums



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plugs look ok?

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Old 08-27-2011, 07:50 PM
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Default plugs look ok?

Just doing my 1K service and decided to check plugs and gap. front plug was gapped a little to large, so put it back to spec.
These pics are at about 1.5K miles.
- always premium gas
- removed baffles
- XIEDs
- K&N and no airbox




If there is a better plug to use.. or any other suggestions let me know (different gap to use since i'm running xieds? etc)
thanks.
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Old 08-27-2011, 08:07 PM
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Looks just like mine at 1500. Mine is completely stock and dont have any performance upgrades tho, if your able I'd give it just a tad more fuel until the white on the electrode matches the rest of the plug.
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Old 08-27-2011, 08:15 PM
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^^^ It's a bit lean.
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Old 08-27-2011, 08:34 PM
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Your plugs look better than a stock machine's plugs.

My stock XL1200X plugs are WHITE on the ground strap, and I do mean "OMG THAT IS F'n LEAN" white. The rest of the my plug is normal with flat black fuel deposits lightly dusting the face of the seat.

I still have to wait to be able to afford to modify and tune my bike, but I made a deal that I wouldn't buy anything for it until we closed on a house and I'm hunting for the right combo (gotta have a shop).
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Old 08-27-2011, 08:41 PM
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Quote:
Originally Posted by gfburke View Post
Just doing my 1K service and decided to check plugs and gap. front plug was gapped a little to large, so put it back to spec.
Umm why didn't you put new ones in it?

Just curious and yes I know only 1k but I would have just cuz I would think well **** Im going to do all this other stuff anyway
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Old 08-27-2011, 10:38 PM
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Looks fine to me. Plug reading is a lot harder than it used to be with the stuff they put in gas these days. You aren't really harming your engine where it's at, so if it runs fine I say stick with it.

As far as plugs, I noticed you had the HD ones. When you come to your first plug change, use Champion RA8HC plugs. They are the exact same ones that have the Harley-Davidson on them at a much cheaper price.
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Old 08-28-2011, 06:57 AM
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Here is a site to compare your plugs.......

http://www.dansmc.com/spark_plugs/sp...s_catalog.html
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Old 08-28-2011, 10:18 AM
1200Cdriver 1200Cdriver is offline
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Here are mine after 14,000 with a PCIII.

Freeb, I got this picture from that site to compare to mine, I figured, close enough.
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plugs look ok?-harley-spark-plugs-022-small-.jpg   plugs look ok?-harley-plug-comparo-small-.jpg  

Last edited by 1200Cdriver; 08-28-2011 at 10:22 AM.
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Old 08-28-2011, 02:29 PM
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awesome, thanks guys.
i just didn't buy plugs, but wanted to see what they looked like. I know i'm pop'n on deceleration sometimes since I went with a better intake setup. It did look slightly lean.. but since it's EFI not much I can adjust there without re-map. which i might do anyways since i have a buddy that works at HD and he might just do it.
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Old 08-28-2011, 02:37 PM
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so i take it the whole "splitFire" era is done. back in my mustang race days, we used to run higher temp plugs to compensate for air/fuel ratios. it's been years and this is a harley... so i just don't see anyone talking about "higher end plugs" or hotter gap'n.
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