Made up the 70/30 drone mix and still a no go a few pops quite a puzzle, compression seems ok, new PAW needle assembly, just for kicks pulled the liners on the two cylinders i had
( piston to liner wear bad compression we tried them. just as an interest pix here they are large port of course exhaust small one (only one 180degrees from exhaust)
is small and directly in line with top of bypass bulge on cylinder casting but it works well you would think not a good breather but it is martin


toying with the idea of having them chromed