Set: cylinder + piston + needle bearing, 70cc
- including the following small parts: 2x retaining ring, 2x piston ring, piston pin, foot seal and needle bearing (metal cage)
- Cylinder and piston made of fine cast aluminum
- Outlet bushing: 50mm
- inlet approx. 18mm, outlet 26mm
- For mounting on S51 engines, the crankcase must be widened
For engine or cylinder conversions or regenerations, the control times must be checked and adjusted if necessary.