MAZZUCCHELLI Racing 57mm Shaft 105mm Connecting Rod Fine Balancing

The MAZZUCCHELLI advanced crankshaft represents an essential component for Vespa enthusiasts, designed to optimize engine performance. This crankshaft is compatible with various models, including Vespa 125 GTR, 2/TS, 150 Sprint V 2, Super 2, P125-150X, and PX125-150 E/Lusso/MY, making it a versatile choice for those looking to enhance their riding experience.

Equipped with a rotary disc valve, the crankshaft features a stroke of 57.0 mm and a standard connecting rod of 105.0 mm, ensuring a perfect balance between power and stability. The connecting rod bearing, with dimensions of 15x19x20 mm, ensures smooth and long-lasting operation. The design includes a piston pin of 15 mm and a cone of 24/25 mm, while the oil seal seat on the alternator side measures 24 mm and the bearing seat on the alternator side is 25 mm. The thread on the alternator side is M12x1.25, providing easy integration with the engine.

With fine balancing, the MAZZUCCHELLI advanced crankshaft is designed to ensure high performance and immediate response, making it a fundamental element for those looking to push the limits of their Vespa's potential.