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Tony Large63
First Gear User
Club Member
Forum Posts: 1
Member Since:
June 11, 2020
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June 12, 2020 - 11:49 am
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Hi All Just saying hello to everyone as I am new to the club. I have a 1953 D1 Bantam on the road I have just fitted electronic ignition as I had big problems getting it going! My next job is fitting a 150 barrel and have some fun before a strip down for new paint. I will add some pics as I go any way cheers for now.tip-my-hat

Blue Heeler
Top Gear User
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Forum Posts: 2669
Member Since:
November 16, 2011
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June 12, 2020 - 12:02 pm
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Welcome Tony.

Interesting project you have there...getting a bit more ooomph out of your bike. Look forward to seeing some pics 🙂

I think Cornish Rooster in your neighbouring county, ran a D3 barrrel on his D1

Here`s a link to the subject re the changeover from 52mm to 55mm barrel stud centres. Hopefully you have a later engine fitted to your `53   ** Please log in to view **


Area Rep
Forum Posts: 886
Member Since:
April 19, 2018
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June 12, 2020 - 12:43 pm
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Hi, Tony and a very warm welcome to the Club(finally),  sounds like an interesting project you've got on your hands.

You will find just about everything you could ever want on the Forum via the FAQs and technical sections;  ** Please log in to view **

Good luck with your project - looking forward to seeing your progress 

All the best,


'52 D1 direct lighting plunger; '58 Square Four (project); '55 D3 Battery; '59 D1 direct lighting plunger;  '59 Tiger Cub; '60 5TA;  '76 FS1-E '97 Honda Sky SGX50.

Runcorn Cheshire UK
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Forum Posts: 1710
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February 24, 2015
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June 14, 2020 - 7:32 pm
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And how does it start now Tony...good to have you, onboard mate?

Looking forward to hearing of your progress.


My Bantam video              https://www.you.....jpOFmzRZRI

Bolton, Greater Manchester
Top Gear User
Club Member
Forum Posts: 321
Member Since:
January 2, 2014
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June 16, 2020 - 8:37 pm
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Hi and welcome Tony.

I have a 175 D5 engine in my D1 and it goes well, the only draw back is I cannot fit the toolbox due to the larger carburettor. You should be Ok with yours, but you may find that the jets in your carb will need to be changed if you go down the 150 route.

Good luck with your restorations....


1950 BSA D1 Plunger   242 UYW

1966 BSA D7  LBF 62 D

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