39 mm cylinder head with M12x1.5 mm decompressor bore to fit the 39 mm swiing original and tuning cylinder kit for Zündapp Belmondo mopeds, Zündapp Bergsteiger M25/M50 mopeds, as well as Alpa Spezial 3000 and Alpa Black River small motorcycles. Alpa Black River small motorcycles that have a Zündapp type 247 engine installed.
Top workmanship and highest fitting accuracy.
The shoulder on the flat surface ensures that the cylinder head is perfectly centered on the cylinder.
Pay attention: If you install this cylinder head on an original Zündapp cylinder, it must be raised by 1.5 mm to prevent the piston from touching the cylinder head.
You will find the matching cylinder kit in the accessories section.
Exceptional product for the highest demands of the quality brand swiing®.
Details
| Manufacturer | swiing® ingenious parts |
| Ø cylinder | 39 mm |
| Number of fixing points | 4 pcs |
| Decompressor | MF12x1.5 |
Suitable for the following models
| Zündapp Belmondo | |
| Zündapp | 247 Motor |
Accessories & related products
Loctite 638 High-strength adhesive 10 ml
Temperature resistance (min.): -75 - 150 °C · Manufacturer: Loctite · Material to be used: Aluminum · Material to be used: Metal · Material to be used: Steel · Contents [ml]: 10 ml · Color: green · Hazard warning: Causes serious eye damage · Hazard warning: Causes skin irritation · Hazard warning: Harmful to aquatic organisms (with long-term effects) · Hazard warning: May cause allergic skin reactions · Hazard warning: May irritate the respiratory tract · Signal word: Danger · Hazard pictogram: GHS05 - Corrosive · Hazard pictogram: GHS07 - Caution dangerous · Area of application: Chemistry · Adhesion: high-strength · Type of application: 1K · Gap dimension (max.): 0.25 mm · Alignment time: 300 sec · Breakaway torque (according to material): 23 N/m · Breakaway torque (according to material): 25 N/m · Breakaway torque (according to material): 57 N/m
CHF 21.90
CHF 2’190.00/l
swiing® ingenious piston 39 mm Vertex | Zündapp Belmondo Type 247
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 · Nominal diameter: 39 mm · Piston ring mold: Rectangular ring · Piston ring impact: Oblique push · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Piston weight: 82 g
CHF 59.90
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Manufacturer: GPO · Ø cylinder: 40 mm · Ø cylinder: 41 mm · Area of application: Tuning · Number of components: 4 pcs · Ø outlet inside: 22 mm · Hole spacing outlet: 42 mm · Hole spacing inlet: 38 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes
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swiing® ingenious 39 mm cylinder kit original with head | Zündapp Belmondo (Type 247)
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
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Collection only possible with online purchase and appointment.
