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Bst40 carbs


clivegto

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I tried a set-up a bit like that Clive - I think I used 155 mj, needles on bottom notch and 42.5 pilots  - should be close enough to work with anyway.

Those don't look like 1100 m/n 40mm carbs -  are yours from a 750 rk ?

40 mm cv carbs can be/are mo fos to set-up...… I always see it as a personal challenge to make them work ! - they work better on my big bore and flowed motor, I kept the a.box as the power was much smoother with it in place.

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8 hours ago, Oilyspanner said:

I tried a set-up a bit like that Clive - I think I used 155 mj, needles on bottom notch and 42.5 pilots  - should be close enough to work with anyway.

Those don't look like 1100 m/n 40mm carbs -  are yours from a 750 rk ?

40 mm cv carbs can be/are mo fos to set-up...… I always see it as a personal challenge to make them work ! - they work better on my big bore and flowed motor, I kept the a.box as the power was much smoother with it in place.

I think my rack had 42,5 pilots and 160 mains. Tapered needles 1 from bottom

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