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Unknown nacelle identification ? #714362
11/09/17 11:00 am
11/09/17 11:00 am
Joined: Jan 2014
Posts: 393
Geneva, Switzerland
BrettF Offline OP
BritBike Forum member
BrettF  Offline OP
BritBike Forum member
Joined: Jan 2014
Posts: 393
Geneva, Switzerland
Hi Folks, I have this unknow nacelle lower, it has a cutout for the handlebar on the lower part - unlike the cut-out only on the top panel on my T110.

[Linked Image]

Can anyone ID it or, if measurements are required to ID it, which ones would be pertinent to provide.

The photo colour is very misleading - its more of a very faded Amaranth Red like colour.

Thanks.


3D TV: A format that lost a format war without even having an opponent.
Bikes:
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'56 1/2 T110 on average (58 rolling frame - with 55 iron head engine)
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Re: Unknown nacelle identification ? [Re: BrettF] #714372
11/09/17 1:14 pm
11/09/17 1:14 pm
Joined: Oct 2006
Posts: 2,574
Elburn, Ill. USA
I
Irish Swede Offline
BritBike Forum member
Irish Swede  Offline
BritBike Forum member
I
Joined: Oct 2006
Posts: 2,574
Elburn, Ill. USA
The notch in the top for handlebars, and the position of the hole for the fork pinch bolt appear to identify this as a
nacelle for a 350 or 500cc UNIT construction Triumph, 1957-1963.

That's my guess, anyway. As I remember it, the hole for the pinch bolt is in a slightly different location
for the 1960 - '62 T110 and 6T pre-unit bikes.

One of the fellows on this site has done an extensive analysis of differences in Triumph nacelles,
and i hope he also will reply.

Re: Unknown nacelle identification ? [Re: BrettF] #714401
11/09/17 6:20 pm
11/09/17 6:20 pm
Joined: Apr 2011
Posts: 947
Nor. California
D
Deadstiffcatt Offline
BritBike Forum member
Deadstiffcatt  Offline
BritBike Forum member
D
Joined: Apr 2011
Posts: 947
Nor. California
This matches one in my photo collection that is labelled "1958 3TA", which is also the same as the 5TA or "Speed Twin"; if the paint is indeed factory Amaranth, this would also help confirm 5TA. Viewing nacelle from the rear, is there a second hole about two or three inches above the pinchbolt hole? This hole would be to facilitate better cable routing and was introduced about 1958.

Below is a copy/paste link to the post we worked on, many thanks to photobucket for destroying much of the value of that thread......

http://www.britbike.com/forums/ubbthreads.php?ubb=showflat&Number=655477&page=1


Moderated by  John Healy 


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