Montageanleitung
44 mm racing cylinder incl. head for your Zündapp Belmondo moped / moped.
Fits 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.
The high-quality racing kit including cylinder head from the quality brand swiing® ingenious paired with the legendary VERTEX piston in OEM quality is guaranteed to exceed all expectations and set new milestones in the moped scene.
With the right settings, you can get a whopping 5.9 hp on the rear wheel. Don't believe us? You can find the corresponding performance diagram in the pictures.
Hole pattern [mm]: 44 x 44 · Inlet window: 22.3 x 15.5 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Surface: sandblasted · Displacement: 65 ccm · Crankshaft stroke: 42 mm · Nominal diameter: 44 mm · Ø cylinder neck: 48 mm · Ø outlet inside: 21.3 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 38 mm · Ø piston pin (B): 12 mm · Outlet type: slanted · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Decompressor: No · Camouflaged: No · Area of application: Tuning
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 | 44 mm |
| Manufacturer | swiing® ingenious parts |
| Material | Aluminum |
| Camouflaged | No |
| Displacement | 65 ccm |
| Crankshaft stroke | 42 mm |
| Ø piston pin (B) | 12 mm |
| Ø cylinder neck | 48 mm |
| Surface | sandblasted |
| Ø outlet inside | 21.3 mm |
| Hole spacing inlet | 38 mm |
| Inlet window | 22.3 x 15.5 mm |
| Thread inlet | M6x1 (standard thread) |
| Hole pattern [mm] | 44 x 44 |
| Number of fixing points | 4 pcs |
| Area of application | Tuning |
| Outlet type | slanted |
| Hole spacing outlet | 42 mm |
| Thread outlet | M6x1 (standard thread) |
| Zündapp | Belmondo (Type 247-71) |
Accessories & related products
swiing® ingenious piston 39 mm Vertex | Zündapp Belmondo, Bergsteiger
Manufacturer: swiing® ingenious parts · Ø outside piston (A): 38.95 mm · Compression height (C): 26.3 mm · Curvature (D): 1.5 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: Oblique push · Piston ring height: 1.5 mm · Ø piston pin (B): 12 mm · Weight piston kit: 82 g
CHF 59.90
swiing® revival connecting rod | Zündapp
Manufacturer: swiing® revival parts · Area of application: Standard · Material: Steel · Area of application: Tuning · Surface: copper-coated · Connecting rod length center-center: 91 mm · Ø Connecting rod bolt: 16 mm · Ø lower connecting rod eye outside: 27 mm · Ø upper connecting rod eye outside: 23 mm · Ø lower bearing inside: 21 mm · Ø inside upper bearing: 15 mm · Dimension lower bearing: 16/21 x 9.7 mm · Total length: 115 mm · Dimension upper bearing: 12/15 x 14.2 mm · Ø piston pin (B): 12 mm · Connecting rod pin length: 33.8 mm · Thickness: 10 mm
CHF 41.90
swiing® ingenious 39 mm cylinder kit original with head | Zündapp Belmondo
Nominal diameter: 39 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 42 mm · Ø cylinder neck: 48 mm · Ø Inlet inside: 9.2 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 40 mm · Ø piston pin (B): 18.5 mm · Outlet type: slanted · Hole spacing outlet: 40 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 42 · Camouflaged: No
CHF 224.90
swiing® ingenious 39 mm cylinder kit tuning with head | Zündapp Belmondo
Manufacturer: swiing® ingenious parts · Material: Aluminum · Camouflaged: No · Surface: sandblasted · Area of application: Tuning · Nominal diameter: 39 mm · Displacement: 50 ccm · Crankshaft stroke: 42 mm · Ø piston pin (B): 12 mm · Ø cylinder neck: 48 mm · Ø outlet inside: 18.6 mm · Hole spacing inlet: 40 mm · Inlet window: 20.7 x 13 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Number of fixing points: 4 pcs · Outlet type: slanted · Hole spacing outlet: 40 mm · Thread outlet: M6x1 (standard thread)
CHF 224.90
Explore categories from Cylinder
Moped fans also bought
swiing® ingenious 16 mm intake manifold Bing SRF | Zündapp Belmondo (Type 247)
Manufacturer: swiing® ingenious parts · Material: Aluminum · Camouflaged: No · Area of application: Tuning · Ø inside: 16 mm · Ø External connection: 23 mm · 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 · Mounting type: Screws
CHF 39.90
swiing® ingenious exhaust manifold 28 mm left chrome | Zündapp Belmondo
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Color: Chrome · Total length: 360 mm · Ø inside: 25 mm · Mounting type: Stud bolts & nuts · Ø outside: 28 mm · Number of fixing points: 2 pcs · Hole spacing outlet: 40 mm
CHF 49.90
swiing® ingenious pinion shaft reinforced | Zündapp Belmondo, Bergsteiger / Alpa
Manufacturer: swiing® ingenious parts · Material: Copper · Material: Steel · Surface: blank · Surface: coated · Thread type: MF12x1 (fine pitch thread) · Recording type: Ø15 x SW12 · Ø inside: 12 mm · Ø outside: 22 mm · Ø outside: 23.8 mm · Total length: 82.6 mm
CHF 77.90
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
