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
| Nominal diameter | 39 mm |
| 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) |
| 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 · Total length: 130 mm · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Area of application: (Dis)assembly tool
CHF 19.90
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) · Ø shaft: 10.5 mm · Total length: 175 mm · Thread type: MF10.5x1 (fine pitch thread) · Shank length: 95.6 mm · Thread length: 34 mm · Thread length: 45 mm
CHF 23.90
17 mm Bing SRF carburetor (replica)
Material: Aluminum · Carburetor type: SRF · Nominal diameter: 17 mm · Nozzle thread: M4x0.7 (standard thread) · Ø fuel hose connection: 6 mm · Total length: 78 mm · Ø Air filter connection: 60 mm · Ø Air filter connection: 64 mm · Ø Internal connection: 23 mm · Width: 64 mm · Height: 117 mm · Mixed oil connection: No · Vacuum connection: No · Mounting type: Plug connection clamped · Choke control: Hand choke · Area of application: Tuning · Nozzle block: 2.xx · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m
CHF 64.90
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 · Electrode material: Iridium · Suppressed: Yes · Area of application: High End · Thread type: MF14x1.25 (fine pitch thread) · Area of application: MX · Area of application: Performance · Area of application: Racing · Area of application: Tuning · Width across flats SW: 21 mm
CHF 23.50
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
CHF 59.90
swiing® ingenious 16 mm intake manifold Bing SRF | Zündapp Belmondo (Type 247)
Manufacturer: swiing® ingenious parts · Camouflaged: No · Material: Aluminum · Ø inside: 16 mm · Ø External connection: 23 mm · Mounting type: Screws · Hole spacing inlet: 40 mm · Number of fixing points: 2 pcs · Total height: 42 mm · Height flange center hole: 35 mm · Total length: 35 mm · Area of application: Tuning
CHF 39.90
17 mm carburetor set (Bing SRF replica) | Zündapp Belmondo
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
CHF 109.90
Collection only possible with online purchase and appointment.
