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 dimensions and locking types on the legend in the images.
Tolerance type: EF
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) | 38.97 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 |
| Ø piston pin (B) | 12 mm |
| Piston ring impact | Internal fuse (IS) |
| Tolerance group | EF |
| Piston 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 · Number of components: 7 pcs · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Area of application: (Dis)assembly tool
23,10 EUR
Moped fans like you also bought:
swiing® revival wheel axle M10.5x1 x 175 coaster brake galvanized
Surface: galvanized (blue) · Manufacturer: swiing® revival parts · Material: Steel · Thread type: MF10.5x1 (fine pitch thread) · Ø shaft: 10.5 mm · Thread length: 34 mm · Thread length: 45 mm · Total length: 175 mm · Shank length: 95.6 mm
27,80 EUR
NGK BR9HIX Spark plug short thread suppressed Iridium
Manufacturer: NGK · Candle designation: BR9HIX · Area of application: High End · Area of application: MX · Area of application: Performance · Area of application: Racing · Area of application: Tuning · Candle thread type: short · Spark plug socket: M4 · Spark plug socket: SAE · Electrode material: Iridium · Suppressed: Yes · Width across flats SW: 21 mm · Thread type: MF14x1.25 (fine pitch thread)
27,30 EUR
Meteor piston 38.955 mm #BC | Zündapp Belmondo Type 247
Manufacturer: Meteor · Ø outside piston (A): 38.955 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 · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Nominal diameter: 39 mm · Ø piston pin (B): 12 mm · Tolerance group: BC · Piston weight: 86 g
69,60 EUR
Meteor piston 38.965 mm #DE | Zündapp Belmondo Type 247
Manufacturer: Meteor · Ø outside piston (A): 38.965 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 · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Nominal diameter: 39 mm · Ø piston pin (B): 12 mm · Tolerance group: EN · Piston weight: 86 g
69,60 EUR
Meteor piston 38.975 mm #FG | Zündapp Belmondo Type 247
Manufacturer: Meteor · Ø outside piston (A): 38.975 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 · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Nominal diameter: 39 mm · Ø piston pin (B): 12 mm · Tolerance group: FG · Piston weight: 86 g
69,60 EUR
Continental 2.50 x 17" KKS
Manufacturer: Continental · Tire width [inch]: 2.5 " · Tire width [mm]: 63.5 · Color: black · Width [inch]: 2 1/2 · Wheel size [inch]: 17 " · Old designation: 21 x 2.5 · Speed index: B = 50 km/h · Load capacity index: 43 = 155 kg · Profile type: KKS 10 · Tire type: Allround · White wall: No · Tubeless (yes/no): Tubetype TT (requires hose)
72,70 EUR
swiing® revival pedal axle with chrome rim | Zündapp Belmondo
Total length: 225 mm · Manufacturer: swiing® revival parts · Material: Steel · Surface: chrome-plated · Color: Chrome · Wavelength from wreath: 50 mm · Wavelength from wreath: 170 mm · Ø Outer sprocket: 121 mm · Ø outside: 15.9 mm
91,10 EUR
Collection only possible with online purchase and appointment.
