SPECIAL OFFER Pinasco Thermal Group 26028503 EVOTEN BIG BORE QUADRO FULL Cylinder 46 mm 80 with 12 mm pin PIAGGIO 50 CIAO SI BRAVO BOXER with flanged exhaust 22 25 28 mm single ring manifolds

The Pinasco "EVOTEN BIG BORE QUADRO" thermal unit 46mmx46mm is a new product dedicated to the world of Piaggio mopeds with a 46mm stroke crankshaft and is the specific thermal unit for the Pinasco 46x46 Master and Slave crankcases. The displacement is close to 80cc, it is equipped with a single ring piston and features 22, 25 and 28mm flanged exhaust manifolds. The Pinasco "EVOTEN BIG BORE QUADRO" thermal unit is supplied with the new unified central spark plug head with 5 studs fixed to the recess and complete with decompression valve which definitively eliminates the problem of vents in the combustion chamber and the consequent drops in performance; the compression ratio is 13.5:1.