Pinasco Engine Case with Crankshaft – 46×43 mm (12 mm Wrist Pin)

Description

Pinasco Engine Case with Crankshaft – 46×43 mm (12 mm Wrist Pin)

The Pinasco Power Casing is a high-performance engine case and crankshaft kit designed for Piaggio mopeds, such as Ciao, Bravo, Boxer, Si, Grillo, CBA, and ECO. Built for tuning and sport use, this setup combines a 46 mm bore with a 43 mm stroke crankshaft, delivering 72cc displacement and exceptional durability.

The case includes a rotary valve intake system with interchangeable manifolds (13 mm included, 21 mm optional), CNC-machined ports for improved flow, and an optimized bearing layout for increased strength and performance.

Features:

• Cylinder compatibility: 46 mm bore, 43 mm stroke

• Wrist pin diameter: 12 mm

• Rotary valve intake system with interchangeable manifolds (13 mm included)

• CNC-ported intake and transfer channels

• Reinforced transmission support and redesigned stud pattern

• Includes high-performance Pinasco crankshaft (43 mm stroke)

• Crankshaft made from hardened and chromed steel, polished intake side, dynamically balanced

• Includes bearings and mounting hardware

• Made in Italy by Pinasco

Compatibility:

• Piaggio Ciao

• Bravo

• Boxer

• Si

• Grillo

• CBA

• ECO