Cylinder -PINASCO alloy 72 cc Evoten BOOSTER Ø46mm- Piaggio Ciao (gudgeon pin = Ø 12mm)

The Pinasco EVOTEN BOOSTER cylinder series with Ø 46mm is the latest product from Pinasco for the world of Piaggio mopeds.
Compared to the predecessor model, it has a new over-ram design and a new piston layout.
The exhaust has been further enlarged to significantly increase performance. Thanks to the flanged exhaust manifolds available in 22, 25 and 28 mm, there is a wide choice of exhaust systems.
The Pinasco EVOTEN BIG BORE cylinder kits are supplied with the new revised cylinder head with central spark plug and 5-bolt fitting.
The compression ratio is 13:1.