Author Topic: B31 with mk 1 Concentric carb  (Read 384 times)

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750rideruk

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B31 with mk 1 Concentric carb
« on: 30 November, 2021, 14:14:39 »
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?

Bess

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Re: B31 with mk 1 Concentric carb
« Reply #1 on: 30 November, 2021, 15:07:20 »