Mazzucchelli crankshaft for Vespa PK 50 XL-XL2 with large taper.
The crankshaft is also suitable for Vespa V50 engines if a contactless Vespa PK 50 XL ignition is to be installed.
- Stroke: 43mm
- Timing: original
- Needle bearing on top: yes
- Large taper: 20/20 mm