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Title: B31 with mk 1 Concentric carb
Post by: 750rideruk on 30 Nov, 2021, 14:14

I have a 28mm Mk1 Concentric to fit to my B31. Anyone used this and can you give me a steer towards jet sizes please?

Title: Re: B31 with mk 1 Concentric carb
Post by: Bess on 30 Nov, 2021, 15:07

Hi,
Not sure of the specs with a 28mm, this is what Amal recommend:

http://amalcarb.co.uk/mk-i-concentric-series/600-series/base-line-specifications/26mm-bore/premier-rh-26mm-4-stroke-mk-i-carburettor.html

Best wishes...

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The BSA Workshop => Singles => Topic started by: 750rideruk on 30 Nov, 2021, 14:14