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.
| Nominal diameter | 47 mm |
| 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 |
| 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 · Color: black · Ø Internal connection: 25 mm · Ø Silencer: 50 mm · Total length: 915 mm · Ø Flame tube outside: 28 mm · Exhaust type: Cone / double cone · Ø outside: 88 mm · Flame tube attachment: Flange · Mounting type: Welded lug · Number of fixing points: 1 pcs
CHF 289.90
swiing® ingenious intake manifold Gilardoni italkit Inox
Manufacturer: swiing® ingenious parts · Camouflaged: No · Material: Aluminum · Ø inside: 21 mm · Total length: 80 mm · Hole pattern [mm]: 60 x 35 · Total height: 55 mm · Height flange center hole: 42.5 mm · Ø External connection: 24 mm · Mounting type: Screws · Number of fixing points: 4 pcs · Area of application: Tuning
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 · Mixed oil connection: Yes · Vacuum connection: Yes · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Mounting type: Plug connection · Area of application: Tuning
CHF 149.90
Not in stock
MLM 25 mm intake manifold Gilardoni italkit black | Puch
Manufacturer: MLM · Material: Steel · Area of application: Tuning · Color: black · Surface: varnished · Ø inside: 25 mm · Hole pattern [mm]: 60 x 35 · Mounting type: Screws · Number of fixing points: 4 pcs · Ø External connection: 28.5 mm
CHF 79.90
Gilardoni italkit 47 mm cylinder kit without cylinder head | Puch
Nominal diameter: 47 mm · Manufacturer: Gilardoni italkit · Material: Aluminum · Camouflaged: No · Area of application: Tuning · 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 pattern [mm]: 44 x 44 · Ø piston pin (B): 12 mm · Number of fixing points: 4 pcs · Outlet type: slanted · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Decompressor: No · Hole spacing inlet: 35.5 mm · Hole spacing inlet: 60 mm
CHF 209.90
Not in stock
Explore categories from Piston
Moped fans also bought
swiing® revival stud bolt set M6 x 106 | Puch
Total length: 106 mm · Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Diameter: 5.9 mm · Drive: External hexagon · Nominal diameter (thread): 6 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
CHF 7.40
Stage6 8-folding diaphragm by Moto Tassinari (Gilardoni italkit)
Width: 49 mm · Manufacturer: Stage6 · Area of application: High End · Material: Plastic · Surface: raw · Number of flaps: 8 pcs · Membrane material: Carbon · Thick membrane platelets: 0.4 mm · Total length: 77 mm · Hole pattern [mm]: 60 x 35 mm · Mounting type: Screws · Ø mounting hole: 6.6 mm · Number of fixing points: 4 pcs
CHF 114.90
Not in stock
MBR clutch basket 18 teeth Racing straight | Puch E50
Manufacturer: MBR · Material: Steel · Number of teeth: 18 pcs · Ø Receptacle: 31 mm · Toothing type: straight toothed · Recording type: Interlocking · Ø inside: 15 mm · Ø inside: 17 mm · Ø outside: 99.5 mm · Height: 49 mm · Area of application: Tuning
CHF 184.90
swiing® revival gasket gearbox cover engine 1 mm | Puch E50
Ø inside: 106 mm · Ø outside: 116 mm · Manufacturer: swiing® revival parts · Number of components: 1 pcs · Material: Sealing paper · Color: sand-colored · Number of fixing points: 4 pcs · Thickness: 1 mm · Alternative version of the Puch OEM number: 349.1.10.349.1
CHF 3.90
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
