breather pipe diameter

[millworm]

I know it's a long shot but does anyone know what size breather filter I'll need for this breather pipe? the engine is 1.2 carb
thanks
http://imageshack.us/a/img40/1760/photoua.JPG

[chrisd1986]

ive got one that fits

[jimbob-mcgrew]

you got a tape measure ? lol

[dan23]

try a drill bit in the end of the pipe I ll guess 8mm or 10mm