W/NG 275 Carb wanted

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tcolbourne
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W/NG 275 Carb wanted

Post by tcolbourne »

Hi,

Looking for a 275 carb to fit W/NG--i have what was on the bike when i bought it (a 289 with oval inlet) which was put on at some point in it's life.

thanks,

Tom Colbourne
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simon.holyfield
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Re: W/NG 275 Carb wanted

Post by simon.holyfield »

You know you can buy a brand new 276 from Burlen, Tom? It's one size up, but any 275 you are likely to find might be a world of pain.

They do come up though. I have an eBay 275 on mine and it's in very good condition, though with the cam I have in the engine the 276 would probably give me better top end performance.
cheers

Simes

'51 Square Four,
'58 Huntmaster,
'42 W/NG,
'30 Model A
https://ariel-square-four.blogspot.com
tcolbourne
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Joined: Thu Mar 21, 2019 7:43 pm
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Re: W/NG 275 Carb wanted

Post by tcolbourne »

thanks for the info. I'll look into Burlen. I have a 1950 NH with a 276 so am quite familiar with those--the only difference i can figure is the 275 is 7/8 bore instead of 1" for the 276? The rest appears the same. The W/NG has a 7/8 bore head of course and quite low compression ratio (the piston is flat top).
tcolbourne
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Joined: Thu Mar 21, 2019 7:43 pm
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Re: W/NG 275 Carb wanted

Post by tcolbourne »

Still looking for a 275 Amal--thanks folks. Any connections appeciated.
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simon.holyfield
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Re: W/NG 275 Carb wanted

Post by simon.holyfield »

tcolbourne wrote: Tue Nov 23, 2021 6:36 pm thanks for the info. I'll look into Burlen. I have a 1950 NH with a 276 so am quite familiar with those--the only difference i can figure is the 275 is 7/8 bore instead of 1" for the 276? The rest appears the same. The W/NG has a 7/8 bore head of course and quite low compression ratio (the piston is flat top).
One of the things that is not so obvious is that the 276 is taller than the 275 - and there is precious little space above the carburettor for the cable adjusters.
cheers

Simes

'51 Square Four,
'58 Huntmaster,
'42 W/NG,
'30 Model A
https://ariel-square-four.blogspot.com
tcolbourne
Posts: 55
Joined: Thu Mar 21, 2019 7:43 pm
Contact:

Re: W/NG 275 Carb wanted

Post by tcolbourne »

Hi All--fYI i was able to find a 275 carb--still have the 289 if anybody needs one with an oval inlet.
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