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CMB carbs

Old 07-30-2007, 06:27 AM
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SpartacusII
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Default CMB carbs

Any one help with setting up a cmb carb please...?
Old 07-30-2007, 07:26 AM
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Dan S
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Default RE: CMB carbs

Which carb,

which engine, any pics?

Dan.
Old 07-30-2007, 07:45 AM
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SpartacusII
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Default RE: CMB carbs

Hi Dan S...
Its the 45 EVO 2/2 geared
Old 07-30-2007, 09:22 AM
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SpartacusII
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Default RE: CMB carbs

Picture attached Dan if that would help
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Old 07-30-2007, 10:28 AM
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Default RE: CMB carbs

Looking at the engine from the carb, the lever or the arm on the right side is for your throttle servo and the big screw is your Low Speed Needle adjustment.

Not sure on a .45 how far in or out it should be but on my CMB.21 she's only out 3/4 of a turn.

The lever on the left side (always looking from the front/carb view) is for your third servo, you will use this servo to fine tune your mixture, rich or lean on the fly.

The big screw at the end is your HSN/ High Speed Needle, if engine has been ran before and already broken in adjust the needle for your best performance, find the best spot where its not to lean or to rich. Don't know this one how far out or in it should be, but on our CMB 21 Valvola its 3 to 4 turns out.

Dan.
Old 07-30-2007, 02:15 PM
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SpartacusII
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Default RE: CMB carbs

Hi Dan
Many thanks for that, the engine is new and needs to be worked in a bit, I will try those settings out....cheers
Old 07-30-2007, 03:47 PM
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Default RE: CMB carbs

SpartacusII why dont you contact Ian Folksen of IANSboats. He is the CMB agent in UK and would I asume be more than willing to help you. Before we had a agent in RSA all our CMB stuff came from him. He is very helpfull.
Old 07-31-2007, 07:56 AM
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SpartacusII
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Default RE: CMB carbs

Hesco Racing.....
Thank you for that, I had visited Ians site to find out that he is away till middle August. Just being a bit impatient, want to get going on the H20....you know the story.....

Cheers

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