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a12datto120y
weber adm idle too high?
#1
Home away from home
Joined:
2011/2/12 10:31
From vic
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hi i have a weber 34 adm on my a12 and i runs fine just recently its started to idle high 800rpm before it was at 700rpm

i tried to reduce idle but the screw is fully backed of and its still at 800 trying to force the lever down dosnt reduce the speed not to sure why theres no air leaks.

it has no choke either all removed runs sweet aswell.

any ideas?

Thanks!

Posted on: 2012/7/23 10:45
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dattodude
Re: weber adm idle too high?
#2
No life (a.k.a. DattoMaster)
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1998/12/6 1:08
From Sydney, Australia
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Air leak in the butterfly shaft? This is common on old dcoe webers.

Posted on: 2012/7/23 14:07
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'71 Green 1200 Sedan CA18DET Project 99.98% complete
'71 White 1200 Sedan 20,000mi + A14T (twin 40DCOE 30/70 cam, extractors)
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ddgonzal
Re: weber adm idle too high?
#3
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2001/5/3 7:04
From Kent, WA
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Air leak (vacuum leak) is most probable. They are not easy to find. You cannot always find them by spraying. There are not usually along the carburetor-to-manifold gasket.

800 RPM is fine, it's within specifications. Enjoy.

Posted on: 2012/7/23 18:16
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