Polini 130 Grauguss - was kann er wirklich? in Vespa V50, Primavera, ET3, PK, ETS etc. Geschrieben 17. Juni 2009 I will make a portmap and take pictures tonight, i didn't update the exhaust port since i put the GS piston...You need rotary valve.... if you really want to catch horse power
Polini 130 Grauguss - was kann er wirklich?
in Vespa V50, Primavera, ET3, PK, ETS etc.
Geschrieben
You need rotary valve.... if you really want to catch horse power