Rotary valve crankshaft by Mazzucchelli for the Vespa PX 125.
It's a racing crankshaft with extended timing.
- Stroke: 57mm
- Connecting rod: Polished knife-edge connecting rod
- Connecting rod eye at the bottom: Slotted
Mazzucchelli Code: AMT162
For more manufacturer information, please visit this manufacturer's / EU contact person's official website.