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 fits and locking types on the legend in the pictures.
Tolerance type: FG
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) | 38.975 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 |
| Nominal diameter | 39 mm |
| Piston ring impact | Internal fuse (IS) |
| Ø piston pin (B) | 12 mm |
| Tolerance group | FG |
| Piston weight | 86 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 · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Total length: 130 mm · Area of application: (Dis)assembly tool · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm
EUR 23,30
Moped fans like you also bought:
swiing® revival wheel axle M10.5x1 x 175 coaster brake galvanized
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Total length: 175 mm · Shank length: 95.6 mm · Ø shaft: 10.5 mm · Thread type: MF10.5x1 (fine pitch thread) · Thread length: 34 mm · Thread length: 45 mm
EUR 27,90
17 mm Bing SRF carburetor (replica)
Component group Carburetor: Carburetor complete · Material: Aluminum · Carburetor type: SRF · Nominal diameter: 17 mm · Ø Internal connection: 23 mm · Ø Air filter connection: 60 mm · Ø Air filter connection: 64 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M4x0.7 (standard thread) · Nozzle block: 2.xx · Mounting type: Plug connection clamped · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m · Total length: 78 mm · Width: 64 mm · Height: 117 mm · Area of application: Tuning
EUR 75,90
NGK BR9HIX Spark plug short thread suppressed Iridium
Manufacturer: NGK · Candle designation: BR9HIX · Candle thread type: short · Spark plug socket: M4 · Spark plug socket: SAE · Width across flats SW: 21 mm · Electrode material: Iridium · Suppressed: Yes · Area of application: High End · Area of application: MX · Area of application: Performance · Area of application: Racing · Area of application: Tuning · Thread type: MF14x1.25 (fine pitch thread)
EUR 27,50
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 · Nominal diameter: 39 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Ø piston pin (B): 12 mm · Tolerance group: BC · Piston weight: 86 g
EUR 70,00
swiing® ingenious 16 mm intake manifold Bing SRF | Zündapp Belmondo (Type 247)
Manufacturer: swiing® ingenious parts · Material: Aluminum · Ø inside: 16 mm · Mounting type: Screws · Area of application: Tuning · Total length: 35 mm · Hole spacing inlet: 40 mm · Number of fixing points: 2 pcs · Height flange center hole: 35 mm · Ø External connection: 23 mm · Camouflaged: No · Total height: 42 mm
EUR 46,60
17 mm carburetor set (Bing SRF replica) | Zündapp Belmondo
Component group Carburetor: Carburetor complete · Carburetor type: SRF · Nominal diameter: 16 mm · Nominal diameter: 17 mm · Ø Internal connection: 23 mm · Ø Inside entrance: 17 mm · Ø Output inside: 17 mm · Ø Air filter connection: 60 mm · Ø fuel hose connection: 6 mm · Choke control: Hand choke · Mounting type: Flange · Mounting type: Plug connection clamped · Hole spacing inlet: 40 mm · Area of application: Tuning
EUR 128,50
Collection only possible with online purchase and appointment.
