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Imperial mirror threads
https://ukbeg.com/forum/viewtopic.php?f=7&t=1215		 Page 1 of 1
Author:  M900uk [ 23 Jun 2009 18:09 ]
Post subject:  Imperial mirror threads
...so I've noticed that the thread for my mirrors is imperial not metric. The problem is that the fitted mirrors have stems so short, I have a fine view of my elbows.

so... is there an imperial to metric adapter ( I see plenty of metric to imperial)available to open up the choice of replacing them, or does anyone know where to look for reasonable quality replacements with the imperial fitting?

Any help appreciated
Author:  Maz [ 23 Jun 2009 21:48 ]
Post subject:  Re: Imperial mirror threads
They are metric threads on all Buells :roll:
Author:  Motorrad [ 24 Jun 2009 00:03 ]
Post subject:  Re: Imperial mirror threads
yep - something like 10-4 threads. Chuck 'em, put bar-end mirrors on, and plug the holes with plugs made for the Firebolt mirror holes, probably <1 euro at the stealership.
My bar end mirrors are rock steady, and without the stock mirrors, I no longer feel like Mickey Mouse's bastard brother.


Did I mention I hate the stock mirrors?
Author:  M900uk [ 24 Jun 2009 09:04 ]
Post subject:  Re: Imperial mirror threads
I'm going to check that again, I cannot put a metric bolt down the hole or indeed a metric nut on the thread ....confused
Author:  Maz [ 24 Jun 2009 12:05 ]
Post subject:  Re: Imperial mirror threads
[quote][That's a negative Rubber Duck, M10 x 1.5, repeat, M10 x 1.5/quote]

That's incorrect Pash.......thread is metric fine ie. M10 x 1.25, repeat, M10 x 1.25 :roll:
Author:  rik [ 24 Jun 2009 12:10 ]
Post subject:  Re: Imperial mirror threads
M900uk wrote:
I'm going to check that again, I cannot put a metric bolt down the hole or indeed a metric nut on the thread ....confused



:idea: There are three M10 threads in (fairly) common use...
M10 x 1.5 Metric Coarse
M10 x 1.25 Metric Fine
M10 x 1.0 Metric Extra Fine

The most common is the coarsest one but most engineers consider it TOO coarse for it's own good as it doesn't 'self lock' very well (think of the 'ramp' angle) and so the most honolable and excerrent Japanese designers opt to use Metric Fine extensively on Jap bikes and cars....

Not 100% sure, but I think you'll find it's M10 x 1.25 in this application...
Author:  rik [ 24 Jun 2009 12:11 ]
Post subject:  Re: Imperial mirror threads
D'oh!
Ol' Lightning fingers beat me to it!
Author:  Motorrad [ 24 Jun 2009 14:05 ]
Post subject:  Re: Imperial mirror threads
:worthy: :worthy:
So sorry to all for the confusion. M10x1.25 indeed.
And if you do go to bar-ends, then the little black plug used to plug the holes on Firebolts is 91960-97Y PLUG, MIRROR MOUNT, R.H. D Retail Price:$0.30 US. Sorry, Pash, no idea what coinage you have janglin' about in your purse.:-)
Author:  pash [ 24 Jun 2009 16:45 ]
Post subject:  Re: Imperial mirror threads
I thought we were talking in CB language with the old 10-4

I ought to tidy the posts up so the facts come out rather than the fiction, that will soon get me banned from anything technical... :shock:
Author:  Norm [ 24 Jun 2009 16:46 ]
Post subject:  Re: Imperial mirror threads
pash wrote:
... that will soon get me banned from anything technical... :shock:

It's ok, pash, that's not necessarily a bad thing. ;) :lol:
Author:  pash [ 24 Jun 2009 16:47 ]
Post subject:  Re: Imperial mirror threads
We should have our own Drum and Bass section ;)
Author:  M900uk [ 25 Jun 2009 16:46 ]
Post subject:  Re: Imperial mirror threads
ah!! metric fine would explain it, I've got a thread gauge somewhere.......
Author:  M900uk [ 27 Jun 2009 09:09 ]
Post subject:  Re: Imperial mirror threads
Indeed metric fine, ....thanks for putting me straight here, mirror problem is now work in progress
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