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, results in 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.
Suitable for the following models
| Puch | E50 ZA50 (Fahrtwindgekühlt) Z50 (X30 Sport) |
Accessories & related products
HOMOET exhaust P8 | Puch (slanted exhaust)
Manufacturer: HOMOET · Material: Steel · Surface: varnished · Color: black · Ø outside: 88 mm · Total length: 915 mm · 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
CHF 289.90
swiing® ingenious intake manifold Gilardoni italkit Inox
Manufacturer: swiing® ingenious parts · Material: Aluminum · Camouflaged: No · Ø External connection: 24 mm · Mounting type: Screws · Ø inside: 21 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 60 x 35 · Total height: 55 mm · Height flange center hole: 42.5 mm · Total length: 80 mm · Area of application: Tuning
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Polini 24 mm carburetor (hand choke)
Manufacturer: Polini · 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: M5 · Mounting type: Plug connection · Area of application: Tuning
CHF 149.90
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
CHF 79.90
Gilardoni italkit 47 mm cylinder kit without cylinder head
Nominal diameter: 47 mm · Manufacturer: Gilardoni italkit · Material: Cast 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
CHF 234.90
Malossi 4-folding diaphragm insert carbonite Gilardoni italkit Puch
Membrane material: Carbonite · Manufacturer: Malossi · Mounting type: Screws · Area of application: Tuning · Number of flaps: 4 pcs · Number of fixing points: 4 pcs · Hole pattern [mm]: 61 x 39 mm / 58 x 35 mm
CHF 44.90
Not in stock
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Spring design: Tension spring · Ø inside: 9 mm · Ø outside: 14 mm · Length spring hook: 19 mm · Length spring hook: 53 mm · Ø wire: 2.5 mm · Manufacturer: swiing® revival parts · Material: Spring steel · Surface: blue galvanized · Total length: 122 mm
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swiing® ingenious needle roller bearing 12/15/16.2 "Racing" silver cage
Bearing type: Needle roller and cage assembly · Bearing cage: Silver cage · Dimension needle bearing: 12/15 x 16.2 · Manufacturer: swiing® ingenious parts · Width: 16.2 mm · Ø inside: 12 mm · Ø outside: 15 mm · Tomos spare part no.: 035548
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Gilardoni italkit 47 mm cylinder kit without cylinder head
Nominal diameter: 47 mm · Manufacturer: Gilardoni italkit · Material: Cast 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
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Twin Air air filter foam straight (Ø 45 mm)
Manufacturer: Twin Air · Camouflaged: No · Color: orange · Total length: 110 mm · Filter type: Foam · Length rubber part: 15 mm · Ø outside: 50 mm · Ø outside: 70 mm · Length of filter section: 95 mm · Ø Internal connection: 45 mm · Mounting type: Plug connection clamped · Area of application: Tuning
CHF 36.90
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Twin Air air filter foam straight short (Ø 45 mm)
Manufacturer: Twin Air · Camouflaged: No · Color: orange · Filter type: Foam · Total length: 75 mm · Length rubber part: 15 mm · Length of filter section: 60 mm · Ø Internal connection: 45 mm · Ø outside: 70 mm · Mounting type: Plug connection clamped · Area of application: Tuning
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Collection only possible with online purchase and appointment.
