You'll not go wrong using the standard plugs Mick
anything more expensive is just a waste.
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| Sparking plugs... https://ukbeg.com/forum/viewtopic.php?f=8&t=15850 |
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| Author: | Mickrick [ 06 Nov 2012 18:56 ] |
| Post subject: | Sparking plugs... |
Hello, a bit of advice nedied if you don't mind old Chums. The owners destruction manual for my 2001 X1 says Spark plugs HD 10R12. Things may have moved on a bit in the last 12 years. Does anyone have any recomendations for an alternative make or number ? Cheers, Mick. |
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| Author: | kevmean [ 06 Nov 2012 19:18 ] |
| Post subject: | Re: Sparking plugs... |
You'll not go wrong using the standard plugs Mick anything more expensive is just a waste.
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| Author: | Mickrick [ 06 Nov 2012 19:37 ] |
| Post subject: | Re: Sparking plugs... |
Cheers. I'll bin the HD GR12 that I found in the rear cylinder, and the NGK Iridium DCR 7EIX I found in the front cylinder then ?   Thanks again, standard plugs it is  Mick. |
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| Author: | gunter [ 06 Nov 2012 20:24 ] |
| Post subject: | Re: Sparking plugs... |
There are some updated OEM plugs available (I forgot their code), which will not soot as fast as the previous ones. |
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| Author: | Maz [ 06 Nov 2012 20:28 ] |
| Post subject: | Re: Sparking plugs... |
10R12X.......fitted to 08 onwards.....more expensive than 10R12A's and not as good IMO 
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| Author: | Mickrick [ 06 Nov 2012 21:12 ] |
| Post subject: | Re: Sparking plugs... |
Cheers. Does anyone know what the last letter of the code denotes? I suppose the 10R12A is an upgrade from the stock 10R12, and the 10R12X an upgrade from 10R12A ? Looks like I missread the plug I took out of the rear cylinder then, must have been 6R12. Thanks again.
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| Author: | pash [ 06 Nov 2012 21:16 ] |
| Post subject: | Re: Sparking plugs... |
X has a rib on the insulator to help resist surface discharge when fouled. |
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| Author: | Maz [ 06 Nov 2012 21:31 ] |
| Post subject: | Re: Sparking plugs... |
......although, IME it actually promotes surface discharge when fouled because it gives the centre electrode a shorter path to the plugs body 
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| Author: | Adam [ 06 Nov 2012 21:37 ] |
| Post subject: | Re: Sparking plugs... |
My mate recently asked me to do a service on his Harl*y XR (the new tarted up Sportster, not the genuine one ) so I told him to go his nearest Dealer and get plugs, filters etc - because they won't have me on the premises . He dropped the stuff off at my gaff and I set to.When it came to the plugs, I was very surprised that he'd been sold the old 'soft' plugs they used to fit to Sporty etc. These run a fair bit hotter than the recommended ones (same as Buells) and can cause a lot of damage. I've been told that Dealers were instructed to bin these plugs some time ago I told my mate to return them and send my best wishes to the Dealer Principl(e). Shame he can't spell his own job description on their Website
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| Author: | mojomick [ 06 Nov 2012 21:56 ] |
| Post subject: | Re: Sparking plugs... |
Adam wrote: I told my mate to return them and send my best wishes to the Dealer Principl(e). Shame he can't spell his own job description on their Website Probably (or proberly) ex B.T. 
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| Author: | Adam [ 06 Nov 2012 22:15 ] |
| Post subject: | Re: Sparking plugs... |
mojomick wrote: Adam wrote: I told my mate to return them and send my best wishes to the Dealer Principl(e). Shame he can't spell his own job description on their Website Probably (or proberly) ex B.T.
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