MAZZUCCHELLI Racing Crankshaft 57mm (Rotary Valve) Vespa PX200, COSA200, RALLY200
A reproduction of the Vespa PX200 Crankshaft, made to highest standard by Italian Manufacturer MAZZUCCHELLI. We have been selling and fitting these Crankshafts for years, and have proven there worth for being one of the best products on the market!
MAZZUCCHELLI's precision-engineered racing crankshaft delivers exceptional performance for your Vespa PX200, COSA200, or RALLY200. Built with stringent manufacturing standards, this 57mm rotary valve component minimises bearing clearance and maximises reliability at high RPM. The optional finely balanced variant features 12 o'clock connecting rod alignment, resulting in notably reduced vibration and whisper-quiet operation. Italian engineering excellence meets outstanding value—engineered for sustained high-speed capability without compromise.
- disc valve
- stroke 57,0mm
- conrod 110,0mm
- Standard - con rod
- Connecting rod bearing: 16x20x20 mm
- pin 16mm
- valve timing: 138°/6° post TDC
Comparison No. 133153, 1331535 (PIAGGIO) AMT.166 (MAZZUCCHELLI)
MAZZUCCHELLI Racing Crankshaft 57mm (Rotary Valve) Vespa PX200, COSA200, RALLY200
A reproduction of the Vespa PX200 Crankshaft, made to highest standard by Italian Manufacturer MAZZUCCHELLI. We have been selling and fitting these Crankshafts for years, and have proven there worth for being one of the best products on the market!
MAZZUCCHELLI's precision-engineered racing crankshaft delivers exceptional performance for your Vespa PX200, COSA200, or RALLY200. Built with stringent manufacturing standards, this 57mm rotary valve component minimises bearing clearance and maximises reliability at high RPM. The optional finely balanced variant features 12 o'clock connecting rod alignment, resulting in notably reduced vibration and whisper-quiet operation. Italian engineering excellence meets outstanding value—engineered for sustained high-speed capability without compromise.
- disc valve
- stroke 57,0mm
- conrod 110,0mm
- Standard - con rod
- Connecting rod bearing: 16x20x20 mm
- pin 16mm
- valve timing: 138°/6° post TDC
Comparison No. 133153, 1331535 (PIAGGIO) AMT.166 (MAZZUCCHELLI)




