[Mg-t] Source of Rocker Arm Ass'y

[Ted Jackson]

John,

I am FAR from an expert on such things but it's my understanding of SU carbs
that the piston rises based on a vacuum in the cylinder and the precision
fit of the piston to the cylinder is absolutely critical.  In other words I
would say that you should not do anything more than just clean the parts.  I
wouldn't sand or polish the fitting surfaces.

Ted

On Mon, Jan 19, 2009 at 9:35 AM, <Gunnellj at athenet.net> wrote:
>
> We are sanding the inside of the bell with 1000-grit paper. It takes a long
> time. Any suggestions?
>
> John Gunnell
> Iola, WI
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-- 
Ted Jackson