Bike (2006 XB12S) has had a set of Steaming Beagles in for the last few years, PN 32321-91, plug number EX12P. The local HD haberdashery doesn't have them any more, in fact they say they're discontinued. Anyway, I've come out with a set of standard HD plugs - PN 32335-04, plug number 10R21A. These are what were fitted when I bought it.

My question is, are they still the correct plugs I've got recollections of plugs being superceded, but I suspect that's just for tubers.

On a secondary note, the current plugs are running fine, I just thought while it's in bits I may as well replace the plugs. Should I just leave the current set in

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Wear the fox hat

EarlyTubers had their plugs upgraded to help prevent holed pistons and as far as i'm aware all later models were ok on the standard plugs they were supplied with.
As for changing them bare in mind a lot of cars now only have their plugs changed at around 36K ........even years ago most went 12K so i'd say if it's running ok leave it for now

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2001 X1 2009 1125CR 2006 Uly X3 2010 Uly a fully Maz'd S1 and a 1991 RS1200 Westwind.

That's what I'm thinking, I'm a big believer in "if it ain't fucked, don't fix it"

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Wear the fox hat

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2001 X1 2009 1125CR 2006 Uly X3 2010 Uly a fully Maz'd S1 and a 1991 RS1200 Westwind.