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 carburettor 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 field.
Note: The original stud bolts of the engine housing are too short due to the height of the cylinder kit and must be replaced with longer bolts (item 24319).
For Zündapp engines with an 85 mm short connecting rod, this must first be converted to a long connecting rod with a length of 91 mm (center - center) in order to use the cylinder.
When purchasing this complete set, there is a substantial percentage off the retail price of the individual parts.
Exceptional product for the highest demands of the quality brand swiing®.
The set includes the following fixed 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 · 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: M4 · 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
Manufacturer: swiing · 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 · Material: Brass · Quantity: 11 pcs · Carburetor type: 18 Catalyst, 85, 17 Catalyst · Nozzle type: Main nozzle · Nozzle thread: M4 · Drive: Slot
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 SW: 10 mm
Material: Steel · Surface: blackened · Thread type: M6x1 (standard thread) · Total length: 145 mm · Thread length: 20 mm, 80 mm
Details
| 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 |
Suitable for the following models
| Zündapp Belmondo | |
| Zündapp | 247 Motor |
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