MAZZUCCHELLI Racing Crankshaft 57mm (Reed Valve) Vespa P125-150, Cosa125, PX125-150, LML Star 125 2T
Engineered for reed valve systems and direct-intake racing cylinders, this MAZZUCCHELLI full-circle crankshaft delivers enhanced performance across the entire rpm spectrum. The precision-manufactured design minimises bearing clearance and maintains exacting tolerances, ensuring reliable operation at sustained high speeds. By optimising rotational dynamics, it provides improved throttle response and increased output without compromising durability. Ideal for competitive riders seeking measurable gains in acceleration and mid-range power delivery.
- reed valve
- stroke 57,0mm
- conrod 105,0mm
- Standard - con rod
- Connecting rod bearing: 15x19x20 mm
- pin 15mm
- cone 24/25mm
- Ø Oil seal seat on flywheel side: 24 mm
- Ø Bearing seat on flywheel side: 25 mm
- Thread on flywheel side: M12x1,25
- fine balanced
Comparison No. 1331545 (PIAGGIO) AMT.162 VT (MAZZUCCHELLI)
MAZZUCCHELLI Racing Crankshaft 57mm (Reed Valve) Vespa P125-150, Cosa125, PX125-150, LML Star 125 2T
Engineered for reed valve systems and direct-intake racing cylinders, this MAZZUCCHELLI full-circle crankshaft delivers enhanced performance across the entire rpm spectrum. The precision-manufactured design minimises bearing clearance and maintains exacting tolerances, ensuring reliable operation at sustained high speeds. By optimising rotational dynamics, it provides improved throttle response and increased output without compromising durability. Ideal for competitive riders seeking measurable gains in acceleration and mid-range power delivery.
- reed valve
- stroke 57,0mm
- conrod 105,0mm
- Standard - con rod
- Connecting rod bearing: 15x19x20 mm
- pin 15mm
- cone 24/25mm
- Ø Oil seal seat on flywheel side: 24 mm
- Ø Bearing seat on flywheel side: 25 mm
- Thread on flywheel side: M12x1,25
- fine balanced
Comparison No. 1331545 (PIAGGIO) AMT.162 VT (MAZZUCCHELLI)




