Hello I need to know the distance from de piston head to the midle of the axe. You know the answer?


can you tell my the distance from the piston head and de midle of the axe.
I need 42 mm. and a dia of 54.2mm

Is artn° 19650000 the correct own for me?


thx for the help!

grz Ceuning


Ps I have a 1954 vespa acma 125cc

Hi dude


I recommend you the piston kit 19650000.


Please check the picture to be shure.