
Forged Wössner high-performance piston for the 47 mm Gilardoni italkit Puch cylinder kit.
ZME forged piston developed by MBR with a 1 mm rectangular piston ring with internal fuse (IS), which is often used in the Mofacross / Mofacup scene.
Optimal material structure, flow-optimized shape and large-diameter inlet windows characterize this high-quality racing piston.
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 stems and locking types on the legend in the pictures.
The molybdenum coating, in combination with oil, provides technologically advanced wear protection with outstanding sliding properties.
Recommended piston size (coating corresponds to +0.01 mm to +0.02 mm):
Gilardoni italkit cylinder A (47.00 mm): 46.94 mm piston (in exceptional cases, e.g. when using ASPEN: 46.93 mm piston)
Gilardoni italkit cylinder B (47.01 mm): 46.95 mm piston
Gilardoni italkit cylinder C (47.02 mm): 46.96 mm piston
Piston ring, piston pin and piston pin locks are included in the scope of delivery.
Matching add-on parts such as cylinder kits, needle bearings, stroke plates, carburettors, air filters etc. can be found under accessories.
| Manufacturer | Wössner, MBR |
| Surface | molybdenum-coated |
| Ø outside piston (A) | 46.96 mm |
| Compression height (C) | 22 mm |
| Curvature (D) | 2.65 mm |
| Total piston height (E) | 48.45 mm |
| Number of piston rings (F) | 1 pcs |
| Piston ring mold | Rectangular ring |
| Nominal diameter | 47 mm |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1 mm |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 93 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
HOMOET exhaust P8 | Puch (slanted exhaust)
Manufacturer: HOMOET · Surface: varnished · Color: black · Material: Steel · Total length: 915 mm · Ø Silencer: 50 mm · Number of fixing points: 1 pcs · Ø Flame tube outside: 28 mm · Exhaust type: Cone / double cone · Ø Internal connection: 25 mm · Ø outside: 88 mm · Mounting type: Welded lug · Flame tube attachment: Flange
CHF 289.90
swiing® ingenious intake manifold Gilardoni italkit Inox
Material: Aluminum · Number of fixing points: 4 pcs · Manufacturer: swiing® ingenious parts · Ø inside: 21 mm · Mounting type: Screws · Ø External connection: 24 mm · Total length: 80 mm · Area of application: Tuning · Height flange center hole: 42.5 mm · Total height: 55 mm · Hole pattern [mm]: 60 x 35 · Camouflaged: No
CHF 67.90
Polini 24 mm carburetor (hand choke)
Nominal diameter: 24 mm · Manufacturer: Polini · Component group Carburetor: Carburetor complete · Carburetor type: Flat slide valve · Ø Air filter connection: 49 mm · Ø fuel hose connection: 6 mm · Mounting type: Plug connection · Mixed oil connection: Yes · Vacuum connection: Yes · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Area of application: Tuning
CHF 149.90
MLM 25 mm intake manifold Gilardoni italkit black | Puch
Manufacturer: MLM · Material: Steel · Surface: varnished · Color: black · Ø inside: 25 mm · Mounting type: Screws · Ø External connection: 28.5 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 60 x 35 · Area of application: Tuning
CHF 79.90
Gilardoni italkit 47 mm cylinder kit without cylinder head | Puch
Nominal diameter: 47 mm · Manufacturer: Gilardoni italkit · Camouflaged: No · Surface: sandblasted · Displacement: 75 ccm · Material: Aluminum · Crankshaft stroke: 43 mm · Ø cylinder neck: 51 mm · Ø outlet inside: 26.5 mm · Ø Inlet inside: 18.3 mm · Hole spacing inlet: 35.5 mm · Hole spacing inlet: 60 mm · Inlet window: 38.5 x 25.8 · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Number of fixing points: 4 pcs · Ø piston pin (B): 12 mm · Outlet type: slanted · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Area of application: Tuning · Decompressor: No
CHF 209.90
Moped fans also bought
swiing® revival stud bolt set M6 x 106 | Puch
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Thread type: M6x1 (standard thread) · Diameter: 5.9 mm · Width across flats: 10 mm · Total length: 106 mm · Drive: External hexagon · Thread length: 13 mm · Thread length: 18.5 mm · Alternative version of the Puch OEM number: 360.1.10.034.1
CHF 7.40
Stage6 8-folding diaphragm by Moto Tassinari (Gilardoni italkit)
Manufacturer: Stage6 · Material: Plastic · Surface: raw · Mounting type: Screws · Number of flaps: 8 pcs · Membrane material: Carbon · Thick membrane platelets: 0.4 mm · Total length: 77 mm · Number of fixing points: 4 pcs · Area of application: High End · Ø mounting hole: 6.6 mm · Width: 49 mm · Hole pattern [mm]: 60 x 35 mm
CHF 114.90
MBR clutch basket 18 teeth Racing straight | Puch E50
Manufacturer: MBR · Ø inside: 15 mm · Ø inside: 17 mm · Ø outside: 99.5 mm · Height: 49 mm · Material: Steel · Area of application: Tuning · Toothing type: straight toothed · Recording type: Interlocking · Number of teeth: 18 pcs · Ø Receptacle: 31 mm
CHF 184.90
swiing® revival gasket gearbox cover engine 1 mm | Puch E50
Thickness: 1 mm · Manufacturer: swiing® revival parts · Ø outside: 116 mm · Material: Sealing paper · Color: sand-colored · Ø inside: 106 mm · Number of components: 1 pcs · Number of fixing points: 4 pcs · Alternative version of the Puch OEM number: 349.1.10.349.1
CHF 3.90











