UK Buell Enthusiasts Group
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S1 spark plugs
https://ukbeg.com/forum/viewtopic.php?f=7&t=16147
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Author:  griff [ 03 Jan 2013 22:27 ]
Post subject:  S1 spark plugs

What are best spark plugs to get?
Done a search but not found answer, 6R12 according to the manual.

Also what are best rear brake pads?

cheers

Author:  kevmean [ 03 Jan 2013 22:30 ]
Post subject:  Re: S1 spark plugs

Do NOT use 6R12 ................they were subject to a service bulletin years ago as to being part of the cause of holed pistons ..............use genuinne harley plugs as they are as good as any but use 10's not 6's ................. any decent dealer shouldn't even sell you the 6's now .

Author:  pash [ 03 Jan 2013 22:45 ]
Post subject:  Re: S1 spark plugs

HD 10R12As is what you should be using.

Recall notice here - http://www.ukbeg.com/pash/B029-263576.pdf

Quote:
Use only 10R12 spark plugs as replacement spark plugs for all model year Buell motorcycles. The 6R12 spark plugs could not be superceded because they are still used on Harley-Davidson Sportster models.


Plenty of discussion on NGK Iridium plugs, some say they make their bike run better (wouldn't you if you had spent lots of money on them), however others say they make no difference and others say they are more prone to fouling....

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