Discussion in 'Piston & Spring' started by 2fix, Nov 29, 2018.
tx 200 piston skirt less o ring grove is this machined straight slot half moon
go for it if you can grind a profile tool
don't forget that the o ring needs some room to squish into
thanks for reply so a straight slote will be ok save me trying to make bull nose tool bit
flat bottomed groove is fine .
make it a little bit wider than the section of the oring
why skirtless ?
have old mark 2 piston but had drill out old still spring weight and lost bottom 3 threads and was going to make up new piston o ring using old piston rod 25 mm skirt less u o ring