39.0 mm piston with a 1.5 mm rectangular piston ring with flank lock (FS) for Zündapp ZR25 / ZR50 mopeds / mopeds with a type 250 engine.
The detailed dimensioning of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their dimensions and locking types on the legend in the images.
Tolerance type: CD
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tool, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Original Zündapp spare part number: 250-02.711/04
Quality product from the Italian manufacturer Meteor.
| Manufacturer | Meteor |
| Ø outside piston (A) | 38.95 mm |
| Compression height (C) | 23 mm |
| Curvature (D) | 1.5 mm |
| Total piston height (E) | 48 mm |
| Number of piston rings (F) | 1 pcs |
| Nominal diameter | 39 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Tolerance group | CD |
| Piston weight | 75 g |
| Zündapp |
Accessories & related products
Meteor piston pin Ø 12 mm (length: 31 - 40 mm)
Manufacturer: Meteor · Material: Steel · Surface: Hardened · Total length: 31 mm · Total length: 31.5 mm · Total length: 33 mm · Total length: 35.5 mm · Total length: 37 mm · Total length: 38 mm · Total length: 40 mm · Ø piston pin (B): 12 mm · Pony OEM number: A1112 · Sachs OEM no.: 0216 003 105
EUR 8.45
Moped fans also bought
GPO 15 mm carburetor tuning | Puch
Nominal diameter: 15 mm · Manufacturer: GPO · Component group Carburetor: Carburetor complete · Material: Aluminum · Width: 50 mm · Carburetor type: SRE · Total length: 66 mm · Area of application: Tuning · Ø Internal connection: 20 mm · Mounting type: Plug connection clamped · Ø Inside entrance: 15 mm · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Height: 95 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Camouflaged: No · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m
EUR 79.20
GPO mushroom air filter grille, Bing SRE (Ø=20 mm)
Manufacturer: GPO · Material: Metal · Material: Rubber · Color: Chrome · Color: black · Filter type: Grille · Total length: 113 mm · Area of application: Tuning · Ø Internal connection: 20 mm · Length rubber part: 63.5 mm · Mounting type: Bride · Mounting type: Plug connection clamped · Length of filter section: 49 mm · Ø outside: 61 mm · Camouflaged: No
EUR 15.80
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø nipple: 3 mm · Nipple length: 5 mm · Manufacturer: Made in Germany · Number of components: 1 pcs · Material: Steel · Surface: galvanized (blue) · Area of application: Standard · Ø Stranded wire: 1.25 mm · Cable length: 2200 mm · Nipple shape: Cylinder
EUR 2.95
swiing® revival gasket outlet | Zündapp Belmondo
Thickness: 1.5 mm · Ø inside: 25 mm · Place of use: Outlet · Manufacturer: swiing® revival parts · Material: Graphite / Graphite · Ø outside: 38.3 mm · Total length: 53 mm · Number of fixing points: 2 pcs · Ø mounting hole: 7.1 mm · Hole spacing: 40 mm
EUR 4.75
swiing® ingenious flame tube 28 mm (right-handed) Inox | Alpa SP 3000, Zündapp Bergsteiger
Manufacturer: swiing® ingenious parts · Material: Chrome steel (known as Nirosta®) · Ø inside: 26 mm · Ø outside: 28 mm · Total length: 390 mm · Mounting type: Stud bolts & nuts · Number of fixing points: 2 pcs · Hole spacing outlet: 40 mm
EUR 134.20
Collection only possible with online purchase and appointment.
