with flanged exhaust, 22MM manifold.
Single ring

The Pinasco thermal unit "EVOTEN BIG BORE QUADRO" Ø 46mmx46mm is a new product dedicated to the world of Piaggio mopeds with a 46mm stroke crankshaft and is the specific thermal unit for Pinasco 46x46 Master and Slave crankcases.

The displacement is close to 80cc, it is equipped with a single ring piston and mounts flanged exhaust manifolds of 22, 25, and 28mm.

The Pinasco thermal unit "EVOTEN BIG BORE QUADRO" is supplied with the new unified central spark plug head with 5 studs fixed in a recess and complete with a decompression valve that definitively eliminates the problem of leaks in the combustion chamber and the consequent performance drops; the compression ratio is 13.5:1.

Pinasco aluminum thermal group Ø 42mm, ideal for those who want to add some zest to their 50cc. The kit does not require any special technical knowledge for installation and easily fits all CIAO, SI, BRAVO mopeds. The aluminum with Nicasil coating gives the Pinasco thermal group exceptional robustness and unique resistance, ensuring superior performance in
all usage ranges.

 
60cc transformation

For models WITHOUT VARIATOR

Ref.Orig 12493