
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) | 46.95 mm |
| Compression height (C) | 22 mm |
| Curvature (D) | 2.65 mm |
| Total piston height (E) | 48.15 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 | 94 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 Silencer: 50 mm · Ø Internal connection: 25 mm · Ø outside: 88 mm · Mounting type: Welded lug · Ø Flame tube outside: 28 mm · Exhaust type: Cone / double cone · Total length: 915 mm · Flame tube attachment: Flange · Number of fixing points: 1 pcs
CHF 289.90
swiing® ingenious intake manifold Gilardoni italkit Inox
Ø inside: 21 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Total length: 80 mm · Mounting type: Screws · Total height: 55 mm · Height flange center hole: 42.5 mm · Ø External connection: 24 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 60 x 35 · Camouflaged: No · 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 fuel hose connection: 6 mm · Mounting type: Plug connection · Ø Air filter connection: 49 mm · 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
Ø inside: 25 mm · Manufacturer: MLM · Material: Steel · Surface: varnished · Color: black · 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 · 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 · 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
CHF 209.90
Explore categories from Piston
Moped fans also bought
swiing® revival M8x12 oil drain plug & copper ring | Puch E50, Z50
Total length: 18 mm · Drive: External hexagon · Drive: Slot · Width across flats Screw: 13 mm · Manufacturer: swiing® revival parts · Material: Copper · Material: Steel · Surface: galvanized (blue) · Color: silver · Screw head: Hexagon · Thread type: M8x1.25 (standard thread) · Thread length: 12 mm · Puch OEM number: 901.1053
CHF 3.50
Motorex engine oil (gear oil) manual 450 ml
Manufacturer: Motorex · Oil type: GL4 · Viscosity (SAE): 80W · Area of application: Gearbox lubrication with clutch · Contents: 450 ml · Gearbox type: Foot control · Gearbox type: Manual gearshift · Temperature resistance (min.): -30 - 220 °C
CHF 9.90
CHF 8.90
CHF 19.78/l
swiing® ingenious intake manifold Gilardoni italkit Inox
Ø inside: 21 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Total length: 80 mm · Mounting type: Screws · Total height: 55 mm · Height flange center hole: 42.5 mm · Ø External connection: 24 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 60 x 35 · Camouflaged: No · Area of application: Tuning
CHF 67.90
Stage6 8-folding diaphragm by Moto Tassinari (Gilardoni italkit)
Ø mounting hole: 6.6 mm · Manufacturer: Stage6 · Material: Plastic · Surface: raw · Number of flaps: 8 pcs · Membrane material: Carbon · Thick membrane platelets: 0.4 mm · Width: 49 mm · Mounting type: Screws · Total length: 77 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 60 x 35 mm · Area of application: High End
CHF 114.90
Not in stock
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 · 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
CHF 209.90










