
39 mm tuning set for your Zündapp Belmondo moped / moped.
Suitable for Zündapp Belmondo mopeds, Zündapp Bergsteiger M25/M50 mopeds, as well as Alpa Spezial 3000 and Alpa Black River small motorcycles which have a Zündapp type 247 engine installed.
In addition to the 39 mm swiing® ingenious racing kit with head, the tuning set includes a resonance exhaust system, a 17 mm carburetor including intake manifold, a mushroom air filter and reinforced clutch springs.
With the appropriate settings, you can get a powerful 2.8 hp on the rear wheel.
All instructions for installing / running in the cylinder are explained in the video.
Please select the desired cylinder head with or without decompression bore and the desired exhaust clamp in the selection box.
When you buy this complete set, you get a huge percentage off the retail price of the individual parts.
Hole pattern [mm]: 44 x 44 · Inlet window: 20.7 x 13 · Manufacturer: swiing® ingenious parts · Material: Aluminum · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 42 mm · Nominal diameter: 39 mm · Ø cylinder neck: 48 mm · Ø outlet inside: 18.6 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 40 mm · Ø piston pin (B): 12 mm · Outlet type: slanted · Hole spacing outlet: 40 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Decompressor: No · Camouflaged: No · Area of application: Tuning
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Color: Chrome · Ø outside: 70 mm · Total length: 730 mm · Ø Internal connection: 28 mm · Exhaust type: Cigar · Mounting type: Screwed clamp
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Color: Chrome · Ø inside: 25 mm · Ø outside: 28 mm · Total length: 360 mm · Mounting type: Stud bolts & nuts · Number of fixing points: 2 pcs · Hole spacing outlet: 40 mm
Manufacturer: Made in Portugal · Material: Steel · Surface: chrome-plated · Color: Chrome · Nominal diameter: 70 mm · Clamping diameter: 67 - 71 mm · Width: 28 mm · Thickness: 2 mm · Number of fixing points: 1 pcs · Ø mounting hole: 8.2 mm
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
Nozzle block: 2.xx · Material: Aluminum · Carburetor type: SRF · Nominal diameter: 17 mm · Ø Internal connection: 23 mm · Ø Air filter connection: 60 mm, 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) · Mounting type: Plug connection clamped · Clamping screw torque (max.): 3 N/m, 4 N/m · Total length: 78 mm · Width: 64 mm · Height: 117 mm · Area of application: Tuning · Component group Carburetor: Carburetor complete
Manufacturer: swiing® ingenious parts · Camouflaged: No · Color: black, red · Filter type: Foam · Total length: 80 mm · Ø Internal connection: 65 mm · Ø outside: 75 mm · Mounting type: Plug connection clamped · Area of application: Tuning
Nozzle size: 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90 · Manufacturer: swiing® revival parts · Material: Brass · Quantity: 11 pcs · Carburetor type: 18 Catalyst, 85, 17 Catalyst · Nozzle type: Main nozzle · Nozzle thread: M4x0.7 (standard thread) · Drive: Slot · Component group Carburetor: Spraying
Manufacturer: swiing® ingenious parts · Number of springs: 10 pcs · Area of application: Tuning
Material: Brass · Surface: blank · Area of application: Standard · Nut type: Neck nut · Drive: External hexagon · Thread type: M6x1 (standard thread) · Ø outside: 9 mm · Height: 25 mm · Thread depth: 25 mm · Shank length: 20 mm · Width across flats: 10 mm
Material: Steel · Surface: blackened · Thread type: M6x1 (standard thread) · Total length: 145 mm · Thread length: 25.3 mm · Diameter: 5.2 mm
Manufacturer: swiing® revival parts · Material: Rubber, Steel · Ø inside: 8.2 mm · Ø outside: 19 mm · Ø Bundle: 25.5 mm · Total length: 21 mm
| Nominal diameter | 39 mm |
| Manufacturer | swiing® ingenious parts, Vertex |
| Displacement | 50 ccm |
| Crankshaft stroke | 42 mm |
| Thread inlet | M6x1 (standard thread) |
| Ø piston pin (B) | 12 mm |
| Outlet type | slanted |
| Thread outlet | M6x1 (standard thread) |
| Decompressor | No |
| Camouflaged | No |
| Area of application | Tuning |
| Zündapp | Belmondo (Type 247-71) |
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