
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 retainers 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.
| Nominal diameter | 47 mm |
| Manufacturer | Wössner, MBR |
| Surface | molybdenum-coated |
| Ø outside piston (A) | 46.94 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 |
| 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
EUR 346.30
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
EUR 81.10
Polini 24 mm carburetor (hand choke)
Nominal diameter: 24 mm · Manufacturer: Polini · Component group Carburetor: Carburetor complete · Carburetor type: Flat slide valve · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Ø fuel hose connection: 6 mm · Ø Air filter connection: 49 mm · Mixed oil connection: Yes · Mounting type: Plug connection · Vacuum connection: Yes · Area of application: Tuning
EUR 179.10
MLM 25 mm intake manifold Gilardoni italkit black | Puch
Material: Steel · Color: black · Number of fixing points: 4 pcs · Manufacturer: MLM · Surface: varnished · Ø inside: 25 mm · Mounting type: Screws · Ø External connection: 28.5 mm · Area of application: Tuning · Hole pattern [mm]: 60 x 35
EUR 95.40
Not in stock
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
EUR 250.80
Moped fans also bought
swiing® ingenious clutch springs reinforced (+20%) | Puch E50
Spring design: Pressure spring · Material: Spring steel · Color: blue · Total length: 28 mm · Ø wire: 1.7 mm · Manufacturer: swiing® ingenious parts · Surface: coated · Ø outside: 8.3 mm · Ø inside: 4.8 mm · Area of application: Tuning · Number of components: 3 pcs
EUR 21.40
Fuel tap horizontal M12x1 (with union nut) outgoing at the bottom
Possible lever positions: open / closed / reserve · Thread type: MF12x1 (fine pitch thread) · Material lever: Metal · Mounting type: Union nut · Filter type: Plastic net · Ø fuel hose connection: 6 mm · Installation direction: horizontal / horizontal · Outlet direction: below · Spare tube shape: curved · Reserve level: 70 mm
EUR 11.80
swiing® ingenious needle roller bearing 12/15/16.2 "Racing" silver cage
Bearing cage: Silver cage · Manufacturer: swiing® ingenious parts · Bearing type: Needle roller and cage assembly · Width: 16.2 mm · Ø outside: 15 mm · Ø inside: 12 mm · Dimension needle bearing: 12/15 x 16.2 · Tomos OEM number: 035548
EUR 16.60
Not in stock
Stage6 8-folding diaphragm by Moto Tassinari (Gilardoni italkit)
Material: Plastic · Total length: 77 mm · Number of fixing points: 4 pcs · Ø mounting hole: 6.6 mm · Manufacturer: Stage6 · Surface: raw · Number of flaps: 8 pcs · Width: 49 mm · Membrane material: Carbon · Thick membrane platelets: 0.4 mm · Mounting type: Screws · Area of application: High End · Hole pattern [mm]: 60 x 35 mm
EUR 137.30
Not in stock
Stage6 R/T RT-PWK 24 mm carburetor Stage6 *Black Edition*
Nominal diameter: 24 mm · Color: black · Manufacturer: Stage6 R/T · Component group Carburetor: Carburetor complete · Surface: varnished · Area of application: Tuning · Carburetor type: RT-PWK · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Ø Air filter connection: 50 mm · Mixed oil connection: Yes · Mounting type: Flange · Mounting type: Plug connection · Vacuum connection: Yes
EUR 199.40
swiing® revival gasket gearbox cover engine 1 mm | Puch E50
Manufacturer: swiing® revival parts · Material: Sealing paper · Color: sand-colored · Ø outside: 116 mm · Ø inside: 106 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 4.65













