Race crankshaft for Sachs 50/3 and 50/4 mopeds (do not confuse with Sach 503 and 504)
The racing crankshaft is designed for high loads and has a maximum pre-compression through the padded holes.
Sizes:
- Total length of the shaft on the ignition side: 69.5 mm
- Diameter on the side of the ignition: 17 mm
- Total length of the shaft on the clutchg side: 42.8 mm
- Diameter shaft directly next to crankshaft cheek clutcj side: 17 mm
- Diameter shaft 2nd part attachment clutch: 12 mm
- Thread on both sides: M10x1 mm
- The needle bearing is included (for 12mm piston pin).