Cylinder-kit NTS for Zweirad Union AC

Cylinder 50cc with piston 40mm for Victoria EM50/Zweirad Union engines. Intended for Air-cooled engines. 1.5~2.9hp depending on other equipment.
The cylinder is tested on the MJP-testbench (see picture for result)

Exhaust pipe attachment: press fit fastened with screw (M6x18mm)
Made of cast iron

Inspected and completed with NTS quality piston in Sweden!
Note: The cylinder must be cleaned thoroughly before assembly as shavings or grinding dust from the production may occur! For best possible performance and durability, the cylinderkit should be carefully “worn in”, during, at least, the first 200km of driving.


Weight 1,9 kg
Original number

805 401 99 01


NTS Premium Parts

Standard Unit


Additional Info

  • Suitable piston: NTS 02-95-501
  • Gasket set head/cylinder: 02-31-111
  • Gasket, intake: 02-31-115