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O2 sensor thread size? 2013 fxdb

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Old Apr 17, 2013 | 07:00 PM
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Default O2 sensor thread size? 2013 fxdb
Hey folks, I searched a bit but didn't find anything on the newer dynas, assuming it's a different thread size. I bought m18x1.5 but they are way too big. Anyone know the size of the o2 sensor threading so I can buy plugs for V&H short shots?

Thanks much.
 
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Old Apr 17, 2013 | 07:36 PM
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I'll see if I caN find the package mine came in to double check, but I'm almost positive it is 15. I put them in the straightshots that I put on my 13 sb.
 
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Old Apr 17, 2013 | 07:43 PM
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Im at the store as i speak, it looks like its m12x1.25.
 
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Old Apr 17, 2013 | 07:48 PM
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Hmm. Sorry about that. I don't recall them being that small, but then again the straightshots were not supposed to be compatible with a 13 because of the difference in o2 sensor size. The last year they made straightshots for a sb was 2011.
 
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Old Apr 17, 2013 | 07:51 PM
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The 13s have 12mm O2 sensors. 11 and back have the 18mm...
 
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Old Apr 17, 2013 | 09:38 PM
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Originally Posted by themouth!!!
The 13s have 12mm O2 sensors. 11 and back have the 18mm...
yup, what he said.
 
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Old Apr 18, 2013 | 06:37 PM
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Thanks folks, got it all lined out.

I got it finished up today .. just another question, that gasket that comes on those drain plugs, I assume yall removed those? For some reason I left mine on and it was smoking like crazy. I'm just going to assume that's what was causing the smoke but I'll double check it in the morning.
 
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Old Apr 18, 2013 | 09:43 PM
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Am I reading this right that you removed the seals on your drain plugs? Probably a good idea to stick with the gaskets and seals that come with the bike.
 
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how did you fix the smoke?
 
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