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Post by mac1776 on Mar 3, 2024 19:49:59 GMT
Hi All,
Whilst I have my carbs in bits (again) can I ask if the carb pistons are handed or interchangeable. I can see they have two cut outs in the body, one being slightly higher than the other, which way does the greater cut out face please? ( I have assumed it faces the airbox)
Also, I have new airbox to carb rubbers, again, they have a slightly sculptured internal part which matches the rear of the carbs, does that have to tally up with the corresponding shape on the carbs please (they look like air jets)
Any help gratefully received
Kind regards
Mac
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Post by BritPete on Mar 4, 2024 10:30:36 GMT
Hi All, Whilst I have my carbs in bits (again) can I ask if the carb pistons are handed or interchangeable. I can see they have two cut outs in the body, one being slightly higher than the other, which way does the greater cut out face please? ( I have assumed it faces the airbox) Also, I have new airbox to carb rubbers, again, they have a slightly sculptured internal part which matches the rear of the carbs, does that have to tally up with the corresponding shape on the carbs please (they look like air jets) Any help gratefully received Kind regards Mac Don’t know about the cut outs On the rubbers, I always fit the rubbers to the inlet manifold on the engine, they only fit one way then fit the carbs to the rubbers |
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Post by buster on Mar 4, 2024 13:04:45 GMT
the airbox to carb rubbers have a notch in them that locates on the airbox
the carb slides will only fit one way, they slide in a groove on that locates on a protrusion from that little black plastic cover at the top of the main body, its held down with one screw
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Post by mac1776 on Mar 4, 2024 14:37:19 GMT
Hi Buster,
Thank you, I didn't know if you put the wrong piston in the wrong carb then the cut aways/chamfers might affect the running of the bike?
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Post by buster on Mar 4, 2024 20:00:24 GMT
Hi Buster, Thank you, I didn't know if you put the wrong piston in the wrong carb then the cut aways/chamfers might affect the running of the bike? to be honest I'v never really checked, I generally do one carb at a time, as I'm sure you know they can be an absolute pig to get all the internal airways and fuel ways properly clean. best advice I can offer there is stick with it, carb cleaner (at least one tin per carb) and an airline |
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Post by buster on Mar 4, 2024 20:18:16 GMT
just had a look inside a set of VB22's and I cant see any reason why the slides wouldnt swap without problem, the black plastic tab is located on the same side on each carb.  not very recommended method of checking the slide action, put yer gob round the the bit circled in red and blow, check that each slide lifts to the top with roughly the same amount of huff and puff.  |
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