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Re: [6pack] tr6 high idle continued - update

To: "Dave" <dave@ranteer.com>, <6pack@autox.team.net>
Subject: Re: [6pack] tr6 high idle continued - update
From: "Greg Lemon" <glemon@neb.rr.com>
Date: Wed, 6 Feb 2013 18:05:02 -0600
Delivered-to: mharc@autox.team.net
Delivered-to: 6pack@autox.team.net
References: <mailman.9.1360004403.24904.6pack@autox.team.net><5111D0F9.9030207@optonline.net> <8F655AAFE4B641BF88383A07B7037ACB@Datsun>
I think the deafening sound of responses you are hearing now is the Triumph 
list collectively scratching its head.  I was going for an out of alignment 
throttle disc, but I don't think it would care which part of the manifold 
the carb was linked to.   I assume the choke linkage is disconnected as 
well.  The only thing I can think of, short of something out of place in 
some way turning the throttle shaft when you put the carb on the back, is 
that the manifold is maybe out of whack in some way, or at least out of 
whack in some bizarre way that warps the back carb ever so slightly when 
tightened down messing up the throttle shaft movement or creating a vacuum 
leak, kind of like meshing the wrong piston with the wrong dashpot, both may 
be within spec, but they don't play well together. sounds far fetched, even 
to me.

The only other thought, is can you mark the throttle shafts or in some way 
to determine if it is more open on the back carb than on the front?

Good Luck!

Greg Lemon
Triumph TR250

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