39.0 mm piston with a rectangular piston ring with internal fuse (IS), suitable for Zündapp Belmondo mopeds, Zündapp Bergsteiger M25/M50 mopeds, as well as Alpa Spezial 3000 or Alpa Black River small motorcycles which have a Zündapp type 247 engine installed.
The detailed dimensions 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 positions and locking types on the legend in the pictures.
Tolerance type: CD
The piston kit contains piston pins, piston clips and piston rings.
Corresponding assembly tools, piston rings, piston pin locks etc. can be found under accessories.
Quality product from the Italian manufacturer Meteor.
Details
Manufacturer | Meteor |
Ø outside piston (A) | 38.96 mm |
Ø piston pin (B) | 12 mm |
Compression height (C) | 26.2 mm |
Curvature (D) | 1.3 mm |
Total piston height (E) | 51.5 mm |
Number of piston rings (F) | 1 pcs |
Nominal diameter | 39 mm |
Piston ring mold | Rectangular ring |
Piston ring impact | Internal fuse (IS) |
Tolerance group | CD |
Weight | 85 g |
Suitable for the following models
Zündapp Belmondo | |
Zündapp | 247 Motor |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Total length: 130 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Number of components: 7 pcs · Area of application: (Dis)assembly tool
22,20 EUR
Moped fans like you also bought:
Motorex engine oil (gear oil) manual 450 ml
Temperature resistance (min.): -30 - 220 °C · Manufacturer: Motorex · Oil type: GL4 · Viscosity (SAE): 80W · Area of application: Gearbox lubrication with clutch · Contents [ml]: 450 ml · Gearbox type: Foot control · Gearbox type: Manual gearshift
11,10 EUR
24,67 EUR/l
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing cage: Silver cage · Width: 14.2 mm · Manufacturer: swiing® ingenious parts · Bearing type: Needle roller and cage assembly · Ø outside: 15 mm · Ø inside: 12 mm · Dimension needle bearing: 12/15 x 14.2 · Alternative version of the Pony Spare part no.: A4222 · Alternative version of Sachs spare part no.: 0232 157 001 · Tomos spare part no.: 035548
13,30 EUR