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Author Topic: Amal 389 carb settings for Gold Star  (Read 4204 times)

Offline forknut

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Amal 389 carb settings for Gold Star
« on: April 27, 2007, 05:05:26 AM »
Hi,
I have a BSA ZB 34 Gold star engine fitted with a Amal 389 monobloc carb.
Can anyone please tell me what settings I should have for the main jet, pilot jet, needle and slide?
Thanks,
Ian.
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Offline VintageBike

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Re: Amal 389 carb settings for Gold Star
« Reply #1 on: April 27, 2007, 06:43:05 AM »
Ian,

I believe you should have:
Throttle Valve: 389/3
Main Jet: 240
Needle Position: 2
Needle Jet: .1065

Hope this helps

Nigel.,
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Offline forknut

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Re: Amal 389 carb settings for Gold Star
« Reply #2 on: May 01, 2007, 05:35:32 AM »
Thanks Nigel.
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