45 mm piston with a 2 mm L-piston ring with internal circlip (IS) and a 1.5 mm rectangular piston ring with flank circlip (FS) for the «GPO Metrakit» cylinder kit on your Puch Maxi S, N, X30 Sport NS, NL and Supermaxi LG1 and LG2 moped / moped.
The detailed dimensioning 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.
| Manufacturer | GPO |
| Material | Aluminum |
| Nominal diameter | 45 mm |
| Ø outside piston (A) | 44.93 mm |
| Compression height (C) | 23.25 mm |
| Curvature (D) | 2.85 mm |
| Total piston height (E) | 49.6 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring, L-ring |
| Ø piston pin (B) | 12 mm |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.55 mm, 2 mm |
| Thick piston ring | 1.8 mm, 1.9 mm |
| Weight piston kit | 98 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Ratings
Accessories & related products
GPO gasket set 43.5 & 45 mm (Metrakit replica) | Puch
Manufacturer: GPO · Material: Aluminum · Material: Graphite / Graphite · Material: Sealing carton · Ø cylinder: 43.5 mm · Ø cylinder: 45 mm · Ø outlet inside: 26.5 mm · Thickness: 0.4 mm · Thickness: 0.5 mm · Thickness: 2.6 mm · Hole spacing inlet: 38 mm · Number of components: 4 pcs · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 X 44
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GPO piston rings 45 mm (Metrakit replica) | Puch
Nominal diameter: 45 mm · Manufacturer: GPO · Diameter: 45 mm · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring impact: Internal fuse (IS) · Height: 1.5 mm · Thick piston ring: 1.7 mm
CHF 12.90
GPO Ø 45 mm cylinder kit (Metrakit replica) | Puch
Nominal diameter: 45 mm · Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Displacement: 70 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 47.8 mm · Surface: varnished · Ø outlet inside: 26 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 38 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Camouflaged: No · Area of application: Racing · Area of application: Tuning · Number of fixing points: 4 pcs
CHF 159.90
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Manufacturer: GPO · Material: Aluminum · Camouflaged: Yes · Surface: varnished · Ø cylinder: 45 mm · Width: 125 mm · Height: 55 mm · Number of fixing points: 4 pcs · Total length: 135 mm · Area of application: Tuning · Decompressor: No
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swiing® ingenious 17 mm SRF carburetor camouflaged | Puch Maxi, Supermaxi, X30 NS / NL
Nominal diameter: 17 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Width: 47 mm · Choke control: Hand choke · Height: 89 mm · Height: 109 mm · Total length: 65 mm · Ø Inside entrance: 17 mm · Ø Internal connection: 23 mm · Ø Output inside: 17.1 mm · Ø Air filter connection: 27.5 mm · Ø fuel hose connection: 5 mm · Mixed oil connection: No · Vacuum connection: No · Mounting type: Plug connection clamped · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.2 · Camouflaged: Yes · Nozzle size: 74 · Area of application: Tuning · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m
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swiing® ingenious intake manifold 17 mm SRF camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Ø inside: 17 mm · Ø External connection: 23 mm · Total length: 38 mm · Hole spacing inlet: 38 mm · Height flange center hole: 42 mm · Total height: 53.5 mm · Mounting type: Stud bolts & nuts · Camouflaged: Yes · Area of application: Performance · Area of application: Racing · Area of application: Tuning · Number of fixing points: 2 pcs
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GPO gasket set 43.5 & 45 mm (Metrakit replica) | Puch
Manufacturer: GPO · Material: Aluminum · Material: Graphite / Graphite · Material: Sealing carton · Ø cylinder: 43.5 mm · Ø cylinder: 45 mm · Ø outlet inside: 26.5 mm · Thickness: 0.4 mm · Thickness: 0.5 mm · Thickness: 2.6 mm · Hole spacing inlet: 38 mm · Number of components: 4 pcs · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 X 44
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GPO Ø 45 mm cylinder kit (Metrakit replica) | Puch
Nominal diameter: 45 mm · Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Displacement: 70 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 47.8 mm · Surface: varnished · Ø outlet inside: 26 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 38 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Camouflaged: No · Area of application: Racing · Area of application: Tuning · Number of fixing points: 4 pcs
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AKOA 45 mm cylinder head black | Puch E50 / ZA50 (wind cooled) / ZA50 (cat.) / Z50
Manufacturer: AKOA · Material: Aluminum · Camouflaged: No · Surface: varnished · Ø cylinder: 45 mm · Width: 123.2 mm · Height: 54.5 mm · Total length: 132.2 mm · Hole pattern [mm]: 44 x 44 · Number of fixing points: 4 pcs · Decompressor: No · Area of application: Tuning
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