Forged Wössner high-performance piston for the 47 mm Gilardoni italkit cylinder kit / Gilardoni italkit for your Puch moped.
ZME forged piston developed by MBR, featuring a 1 mm rectangular piston ring with internal locking (IS), which is very commonly used in the Mofacross / Mofacup scene.
Optimal material structure, a flow-optimized shape, and generously sized intake ports characterize this high-quality racing piston.
You can find the detailed dimensions of the piston according to the technical drawing in the product details. You can also find information about common piston rings, their clearances, and retention methods in the legend accompanying the images.
The molybdenum coating, when combined with oil, provides technologically advanced wear protection with excellent 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
Gilardoni italkit Cylinder C (47.02 mm): 46.97 mm piston
Piston rings, piston pins, and piston pin retainers are included in the package.
You can find matching components such as cylinder kits, needle bearings, lift plates, carburetors, air filters, etc., in the accessories section.
A quality product from the German manufacturer Wössner.
| Manufacturer | Wössner, MBR |
| Surface | molybdenum-coated |
| Ø outside piston (A) | 46.97 mm |
| Compression height (C) | 21.5 mm |
| Curvature (D) | 2.63 mm |
| Total piston height (E) | 48.15 mm |
| Number of piston rings (F) | 1 pcs |
| Nominal diameter | 47 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 93 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
HOMOET "P8" Exhaust, 28 mm, Polished (Angled Outlet) | Puch Maxi, X30
Ø outside: 88 mm · Manufacturer: HOMOET · Material: Steel · Surface: varnished · Color: black · Total length: 915 mm · Ø Internal connection: 25 mm · Ø Silencer: 50 mm · Mounting type: Welded lug · Number of fixing points: 1 pcs · Ø Flame tube outside: 28 mm · Exhaust type: Cone / double cone · Flame tube attachment: Flange
EUR 332.60
Not in stock
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 77.90
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 · 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
EUR 172.00
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 91.70
Explore categories from Piston
Moped fans also bought
Hot 
swiing® revival Stud Bolt, Inlet/Outlet M6x30 (Grade 10.9)
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Diameter: 5.95 mm · Thread type: M6x1 (standard thread) · Nominal diameter (thread): 6 mm · Total length: 30 mm · Thread length: 12 mm · Strength class: 10.9
EUR 2.05
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 91.70
Gilardoni italkit 47 mm Cylinder Kit (without head) | Puch E50 / Z50 / ZA50
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 240.80
Not in stock
Hot
swiing® ingenious crankshaft "High End" with mounted bearings | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Material: Steel · Cheek type: Full cheeks · Crankshaft stroke: 43 mm · Connecting rod length center-center: 90 mm · Total length of crankpin on clutch side: 74 mm · Total length crankpin ignition side: 66 mm · Ø crank webs: 69.9 mm · Ø piston pin (B): 12 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 17 mm · Ø Bearing seat (ignition side): 17 mm · Thread type: MF10x1 (fine pitch thread) · Thread length: 11 mm · Thread length: 15 mm · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Wide crank webs: 34 mm · Length 1st paragraph: 9 mm · Length 2nd paragraph: 14.5 mm · Length 3rd paragraph: 25 mm · Ø 1st step (on the coupling side): 22 mm · Ø 2nd shoulder (on the clutch side): 17 mm · Ø 3rd step (on the clutch side): 15 mm · Length of shoulder (ignition side): 26.3 mm · Weight: 968 g · Number of gears: 1 pcs · Area of application: High End · Area of application: Racing · Area of application: Tuning
EUR 212.10
Not in stock
MVT internal rotor ignition incl. rev limiter & light 12V | Puch / Sachs
Manufacturer: MVT Allumage · Manufacturer: swiing® ingenious parts · Tension: 12 V · Performance: 65 W · Direction of rotation: left · Ø mounting plate: 96 mm · Ø Flywheel outside: 49.2 mm · Ø cable: 7 mm · Mounting type: Screws · Number of fixing points: 2 pcs · Weight: 268 g · Area of application: Tuning
EUR 418.60
Working late? Evening hours on Thursday until 20:00
