[TR] Pistons Sticking - HS4 Carbs

Bob Labuz yellowtr at adelphia.net
Tue Mar 11 16:50:38 MST 2008


On Tuesday 11 March 2008 04:34 pm, Tom Wagner wrote:
> To All:
>
> Can someone let me know where to start looking for a piston sticking
> on HS4 carbs.  I have checked the oil level in the dashpot and also
> cleaned the inside of the chamber, along with the needle on the end of
> the piston.  This is on a 67 MGB, but I know there are some out there
> that have MG's that might be able to help me out.
>
> All help would be appreciated, and Thanks in advance
>
>
> --
> Tom Wagner
> 72 TR 6
> 67 MGB
> Gravette, AR 72736
Tom,

Most likely problem is the needle is not centered.

Next could be the Damper. Could be bent.

One other think I have seen is the piston part that enters the top assembly is 
bent. Only fix here is to replace the whole piston.

Bob


More information about the Triumphs mailing list