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Re: [TR] Missing at high revs TR4A

To: triumphs@autox.team.net
Subject: Re: [TR] Missing at high revs TR4A
From: Chris Buckley <chris.buckley51@yahoo.co.uk>
Date: Sun, 22 Jul 2007 16:16:06 +0100 (BST)
Hi again listers,
  Thanks for the feedback. I have checked the HT leads resistance and changed 
the condenser but still the 'misfire'seemingly now through the whole range of 
revs.
  When I got home I removed HT leads in turn and found that removing the lead 
from number 3 cylinder made the least difference to the idle.
  I then checked all plugs and found No 3 to be 'sooty' while all the others 
were clean burnt light grey colour.
  Any ideas for further checks?
  TIA
  Chris Buckley

Chris Buckley <chris.buckley51@yahoo.co.uk> wrote:
  Hi List,
I know this kind of problem has been discussed at length before but as it 
wasn't one of mine I never took much notice.
The engine seems to be fine up to around 3000 rpm after which I can feel the 
hesitation which remains or maybe gets worse the higher the revs.
I dont think it is shortage of fuel as it is too predictable so I assume it is 
connected with timing or an electrical problem.
Does anyone on the the list have some kind of check list to go through 
otherwise any ideas would be greatly appreciated.
Thanks,
Chris Buckley



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