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Brian Dunse
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Quote Brian Dunse Replybullet Topic: BarfordAtom
    Posted: 23 Aug 2013 at 12:50pm
I have recentley purchased a 1947 barford atom with a mk 12 hs villiers engine on, i have fitted an exchange carb and although it starts after a fashion it will not rev and run properley, if i adjust the mixture screw at the bottom of the carb the engine stops. Anybody got any bright ideas. cheers brian.
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Charlie
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Quote Charlie Replybullet Posted: 28 Aug 2013 at 3:06pm
Is the exchange carb the correct one for that engine? Does it have the correct jets? Is ignition timing right? Sparkplug in good condition?
'Don't force it! Get a bigger hammer'
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Andy Frost
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Quote Andy Frost Replybullet Posted: 28 Aug 2013 at 9:16pm
Can you post a pic of your carb , from your post something doesn't sound quite right. Are we talking about the carb with the mixture screw going up vertically from the bottom.

Andy.
Early Villiers Twostroke spares Always Wanted
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enginear
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Quote enginear Replybullet Posted: 29 Aug 2013 at 8:54am
A few other thing's to check is the fuel from the tank flowing fast out of the pipe if not clean the tank and tap which may have a wire gauze filter attached to it,and is there a gasket between the carb and elbow and between the elbow and cyl head.
simple
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simar kid
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Quote simar kid Replybullet Posted: 31 Aug 2013 at 10:41pm
brian,does it look like this carb ?
Not sure whats wrong. i think we will let it develop
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howardhoe
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Quote howardhoe Replybullet Posted: 01 Sep 2013 at 2:04am
I never knew they used the b10 carb on the mk15 engines. I have this stupid s12 carb, might have to put a b10 on and it should run right then.
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Charlie
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Quote Charlie Replybullet Posted: 01 Sep 2013 at 9:09am
Certain end users of the Villiers engines would specify different carbs, the Barford Atom 30 is one example. My own 30 is a very good starter (ohh no that is asking for trouble).
'Don't force it! Get a bigger hammer'
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simar kid
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Quote simar kid Replybullet Posted: 01 Sep 2013 at 9:24am
While charlie goes down to the shed to check the reliability of his barford i sugest we fill our ears with cotton wool and wait for the outcome
Not sure whats wrong. i think we will let it develop
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vegikev
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Quote vegikev Replybullet Posted: 01 Sep 2013 at 6:53pm
4 of the five of my mk 15 villiers have the b10 carb on
all things pop-bang.....
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Brian Dunse
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Quote Brian Dunse Replybullet Posted: 11 Sep 2013 at 5:12pm
the carb is a v type and i sent the old one to villiersspares and they sent me back an exchange unit so i assume its the right one, I have fitted a new spark plug and the fuel seems to flow freely.
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series1gem
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Quote series1gem Replybullet Posted: 11 Sep 2013 at 6:35pm
Check your valves.
If it isnt orange it isnt a rotavator
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series1gem
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Quote series1gem Replybullet Posted: 11 Sep 2013 at 6:36pm
Originally posted by howardhoe

I never knew they used the b10 carb on the mk15 engines. I have this stupid s12 carb, might have to put a b10 on and it should run right then.
have done this loads of times, just have to fit a different governor arm as well.
If it isnt orange it isnt a rotavator
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