Rebuilding Blown Echo PB620H

[piston slapper]

Originally Posted by piston slapper

How does it run now...??
I always polish the pistons with a small wire toothbrush..using a side to side motion.
If there are any scratches in the piston they should not be in line with the stroke...
Fine scratches paralell with the rings will hold a small amount of fuel that will cushion the piston from digging into the cylinder..just like crosshatches on a cylinder...
If I can remember...I will post a pic of the process on Monday ...it makes them look like new..

Here you go Ed...Its easier to show you than to explain it..