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A7 & A10 Engine
A7 1946-1950
Gearbox, Clutch, Primary
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The BSA A7-A10 Forum
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idle
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Topic: idle (Read 1012 times)
baz
A's Good Friend
Join Date: Apr 2012
Posts: 56
Karma: 2
idle
«
on:
17.07. 2012 20:11 »
my road rocket spec A10 fitted with 389 monobloc with extended float bowl revs up slightly if i lean it to the right if i lean it to the left on its side stand the revs falter and drop is the float height too high?,i had exactly the same thing on a B40 i once had,i changed the carb on the B40 to a concentric and the problem stopped so i assume it is the monobloc causing this does anyone know? cheers baz
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muskrat
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Join Date: Jul 2009
Posts: 11062
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Lithgow NSW Oz
Re: idle
«
Reply #1 on:
17.07. 2012 21:28 »
G'day Baz,
that sounds about right for a mono, as the float being on the side it will be rich one way and lean the other. Best off tuning with bike on ctr stand. The extension will make it worse, take it off and see if it improves.
Cheers
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'51 A7 plunger, '57 A7SS racer now a A10CR, '78 XT500, '83 CB1100F, 88 HD FXST, 2000 CBR929RR ex Honda Australia Superbike .
Australia
Muskys Plunger A7
baz
A's Good Friend
Join Date: Apr 2012
Posts: 56
Karma: 2
Re: idle
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Reply #2 on:
17.07. 2012 21:47 »
yes i normallytune it upright but it falters and stops when i'm locking my gate as i leave it ticking over on the side stand no big deal really cheers baz
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The BSA A7-A10 Forum
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Technical (Descriptive Topic Titles - Stay on Topic)
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Amal, Carburation
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idle