The MAZZUCCHELLI 22212150 crankshaft is an essential component for the perfect functioning of the Lambretta DL/GP 125-200ccm. Precision engineered, this crankshaft features a 58.0mm stroke and 107.0mm connecting rod, ensuring optimum performance and agile engine response. Specifications include a 16x20x20mm connecting rod bearing, 16mm piston pin and 25mm large cone, all of which contribute to a robust and long-lasting construction. The alternator side oil seal seat measures 33mm, while the alternator side bearing seat is 25mm. Finally, the thread on the alternator side is M12x1.0 Linksgewinde, ensuring precise and safe installation. With the MAZZUCCHELLI 22212150 crankshaft, your Lambretta will be able to express its potential to the fullest, offering a smooth and responsive driving exper.