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dang. this is a serious game changer for vespa lovers! the very well known absolute ripper Pinasco 46mm 75cc nikasil cylinder kit got an update for 2018. the old style pinasco has been discontinued, so this is the new 46mm kit!!!
the cylinder head has been completely redesigned to incorporate a couple new features. first off, the cylinder head protrudes outwards and fits seamlessly into a recessed portion on the cylinder thus centering the combustion chamber perfectly on center with the bore of the cylinder. sick. then, they've added two additional m6 holes on either side of the spark plug that correspond with threaded holes on the cylinder helping minimize head gasket leakage due to vespa's interesting (and dumb) asymmetric 3 stud design. last but not least, they've included a beautiful super small decomp valve that should seal up nicely with the head and minimize hot spots since its so tiny.
oh and the head is cut for use on ciao and bravo/grande/si !!
the port map is unchanged from the other 46mm pinasco kit!
yes these are aluminum nikasil lined, unlike all the other 46mm vespa cylinders.
since this is a 46mm kit, you will need to machine your stock cases or run polini or malossi cases.
reputably one of thee most amaaazing cylinders out there for vespa!!! score!!!
includes cylinder, piston, rings, ciao style head, wrist pin, clips, and gaskets. a complete party in a box.
10mm wrist pin version
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