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Terry seat clip Deluxe

Submitted by john_dunn1 on Fri, 26/03/2021
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Light Twins

I need new seat fixings, mines the older type seat. Does anyone know the length of the Terry seat clip. Parts have them in stock. According to my measurement the distance between the top of the suspension retaining bolt and the bottom of the seat is 95mm. Would the one parts sell fit, in the picture it looks smaller.

Thanks

John.

Submitted by robert_tuck on Fri, 26/03/2021

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I have fitted one new terry clip  (from the club) to a Dommy DL   it matched the orriginal ,I understand the light twin used the same clip. Seems possible your existing clip is wrong? . I can measure if you want.   The 250 and Dommy used the same rear tub.   Its why the slimline was created (to use the stock of tubs) . 

Hi Robert

Thanks for your reply. After I left the question about the seat fixings I then went on the net (should have done first) and found some pictures of the underneath of the seat. Some of the seats show a bracket fastened to the seat base, it looks like the terry clip is then fastened to this bracket to give the correct distance between the seat and suspension bolt. I think!

John.

Submitted by robert_tuck on Fri, 26/03/2021

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The brackets are just sheet steel folded and spot welded together  and to the metal seat base . Could be made in a vice and pop riveted . I have some close up photos somewhere. The seats have a small skirt that needs a little clearance from the rolled edge of the side panel and tub to allow for flex and avoid paint damage .

Hi Robert.

Now thinking of making a couple of brackets. If you could locate photos that would be helpful, would you know the height of the brackets. I will order a couple of terry spring clips from spares. Once I have them I should be able to measure the height required.

Thanks

John.

Hi Robert - you almost got that right. Where Triumph had styled their Tiddlers (the Terrier & then the Cub) to look like their big bikes, Norton decided to style their bigger bikes like their new 'baby, the Jubilee. To enable the Jubilee-like panels (rear is same as Jubilee, sides are a little longer) to fit elegantly on the featherbed frame, it has to be 'waisted' - hence the Slimline frame was born. This is a true story, as told me by John Hudson - the ex-Service Manager at Norton.

To sell it to the public, they stated that Norton had listened to customers complaints about the Wideline frame being uncomfortably wide, and had therefore created the new frame. Bunkum!

It was, as Robert says, to fit the Jubilee type enclosure, a fashion that did not last very long!

Submitted by robert_tuck on Sun, 28/03/2021

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Hi Andy,  I can't imagine many died in the wool  bed  riders would have been happy with the real  truth  .Their  hallowed  frame being carved up just  to turn it into a big scooter !!.

Submitted by mikael_ridderstad on Wed, 31/03/2021

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Don't like the Terry clips. Had them on my slimline 99 back in the sixties. When landing after passing a hump bridge at around 60 Mph, saddle fell off. Must have happened for more people, as they put  a Dzus fastener to later models.

Andy, your second picture with the tape measure showing the fixing height is very helpful. Parts sell the terry clips, they also sell seat extensions. Im hoping that I can drill the seat pan and pass a bolt through the pan, seat extension and terry clip. Ive ordered these from parts. Hopefully this will work, if not I will make some right angled brackets as per your picture and bolt in place. Any bolt I pass through the pan I will ask Leightons to weld the head in place. If I do make brackets I will also ask them to weld these.

Mikael, good point about the seat coming off unless its fixed with a dzus fastener. In my younger days riding a deluxe with terry clips the seat never came off, but then we had better roads with no bumps or deep potholes that resembled craters on the moon.

 

 


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