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 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 common piston rings, their stems and locking types on the legend in the pictures.
| 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 |
| Nominal diameter | 47 mm |
| Piston ring mold | Rectangular ring |
| 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 · Material: Steel · Surface: varnished · Ø outside: 88 mm · Total length: 915 mm · Color: black · Ø Silencer: 50 mm · Ø Internal connection: 25 mm · Ø Flame tube outside: 28 mm · Exhaust type: Cone / double cone · Mounting type: Welded lug · Number of fixing points: 1 pcs · Flame tube attachment: Flange
EUR 355.30
swiing® ingenious intake manifold Gilardoni italkit Inox
Manufacturer: swiing® ingenious parts · Material: Aluminum · Camouflaged: No · Ø inside: 21 mm · Ø External connection: 24 mm · Mounting type: Screws · Hole pattern [mm]: 60 x 35 · Number of fixing points: 4 pcs · Total height: 55 mm · Height flange center hole: 42.5 mm · Total length: 80 mm · Area of application: Tuning
EUR 83.20
Polini 24 mm carburetor (hand choke)
Manufacturer: Polini · Component group Carburetor: Carburetor complete · Carburetor type: Flat slide valve · Nominal diameter: 24 mm · Ø Air filter connection: 49 mm · Mounting type: Plug connection · Ø fuel hose connection: 6 mm · Mixed oil connection: Yes · Vacuum connection: Yes · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Area of application: Tuning
EUR 183.70
Not in stock
MLM 25 mm intake manifold Gilardoni italkit black | Puch
Manufacturer: MLM · Material: Steel · Surface: varnished · Color: black · Ø inside: 25 mm · Ø External connection: 28.5 mm · Mounting type: Screws · Hole pattern [mm]: 60 x 35 · Number of fixing points: 4 pcs · Area of application: Tuning
EUR 97.90
Gilardoni italkit 47 mm cylinder kit without cylinder head | Puch
Nominal diameter: 47 mm · Manufacturer: Gilardoni italkit · Material: Aluminum · Surface: sandblasted · Displacement: 75 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 51 mm · Ø outlet inside: 26.5 mm · Ø Inlet inside: 18.3 mm · Inlet window: 38.5 x 25.8 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 35.5 mm · Hole spacing inlet: 60 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 · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No · Area of application: Tuning
EUR 257.30
Not in stock
Explore categories from Piston
Moped fans also bought
swiing® revival stud bolt set M6 x 106 | Puch
Manufacturer: swiing® revival parts · Diameter: 5.9 mm · Material: Steel · Surface: galvanized (blue) · Nominal diameter (thread): 6 mm · Drive: External hexagon · Total length: 106 mm · Thread type: M6x1 (standard thread) · Width across flats: 10 mm · Thread length: 13 mm · Thread length: 18.5 mm · Alternative version of the Puch OEM number: 360.1.10.034.1
EUR 9.10
Malossi 4-folding diaphragm insert Carbon Gilardoni italkit | Puch
Manufacturer: Malossi · Material: Plastic · Number of flaps: 4 pcs · Membrane material: Carbon · Mounting type: Screws · Hole pattern [mm]: 61 x 39 mm / 58 x 35 mm · Number of fixing points: 4 pcs · Area of application: Tuning
EUR 63.60
Stage6 8-folding diaphragm by Moto Tassinari (Gilardoni italkit)
Manufacturer: Stage6 · Material: Plastic · Surface: raw · Number of flaps: 8 pcs · Membrane material: Carbon · Thick membrane platelets: 0.4 mm · Total length: 77 mm · Width: 49 mm · Hole pattern [mm]: 60 x 35 mm · Ø mounting hole: 6.6 mm · Mounting type: Screws · Number of fixing points: 4 pcs · Area of application: High End
EUR 140.80
Not in stock
MBR clutch basket 18 teeth Racing straight | Puch E50
Manufacturer: MBR · Material: Steel · Ø inside: 15 mm · Ø inside: 17 mm · Recording type: Interlocking · Ø outside: 99.5 mm · Toothing type: straight toothed · Number of teeth: 18 pcs · Ø Receptacle: 31 mm · Area of application: Tuning · Height: 49 mm
EUR 226.60
swiing® revival gasket gearbox cover engine 1 mm | Puch E50
Manufacturer: swiing® revival parts · Material: Sealing paper · Color: sand-colored · Ø inside: 106 mm · Ø outside: 116 mm · Thickness: 1 mm · Number of fixing points: 4 pcs · Number of components: 1 pcs · Alternative version of the Puch OEM number: 349.1.10.349.1
EUR 4.80
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
