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s3 only running on 2 cylinders
Posted: Wed Sep 23, 2009 8:46 pm
by Stef
Hi wonder if any body can help
I've got s3a will only run on 2 cylinders its got good compression, carbs been cleaned, have strong spark. No petrol seems to be going into cylinder. Any ideas?
thanks
Stef
Posted: Wed Sep 23, 2009 9:39 pm
by the180kid
ave you checked compression on that cyl with compression dial gauge,
is the carb filling with petrol ?,
so the plugs not wet then ?,
oh Hi, and welcome to the board,..
Posted: Thu Sep 24, 2009 7:38 am
by Wolfie
Cosh the carb with your biggest screwdriver....
Posted: Thu Sep 24, 2009 8:19 am
by SAM
Pilot jet is very small check it! Use air line on air ways. Swap carb over to confirm if carb.
Posted: Thu Sep 24, 2009 9:03 am
by Olde Coney
READ IT!
Posted: Thu Sep 24, 2009 3:00 pm
by SAM
Louis wrote:swap the carbs around and see if the problem carries over to another cylinder.
I just said that!
Some people!!!!!
Thank you for replies
Posted: Thu Sep 24, 2009 5:34 pm
by Stef
I've just striped part of engine down to find out crankshaft oil seal knackered and think the crank may be worn.

Posted: Thu Sep 24, 2009 8:01 pm
by simonh
maybe all is not lost depending on which seal it is