Pair of sandblasted die-cast aluminum-silicon alloy crankcases.
Integral Malossi project with reed valve intake, controlled by a large
4-petal valve.

They can be used with any thermal unit, exhaust system, crankshaft, and fuel system.

The Malossi reed valve crankcases are perfectly interchangeable with the
original ones and are equipped with a special intake manifold for the
original carburetor or a SHA 13/13 carburetor.
A specific fuel system has been created with a 19 mm carburetor and E12 type air filter, complete with all parts for installation.

Given the very limited insertion spaces in the Piaggio frames, it was
necessary to create a super compact engine, and the great commitment of
our technicians is once again crowned with full success.
The objectives achieved are: highly technical product, robustness,
simplicity, ease of installation, excellent operational result
without modifications (everything connects as in the original engine).
The large 4-petal composite fiber reed valve ensures a