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.
| Nominal diameter | 45 mm |
| Manufacturer | GPO |
| Material | Aluminum |
| Thick piston ring | 1.8 mm, 1.9 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 |
| Piston ring impact | Internal fuse (IS) |
| Ø piston pin (B) | 12 mm |
| Piston ring height | 1.55 mm, 2 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 "GPO Metrakit" | Puch
Manufacturer: GPO · Material: Aluminum · Material: Graphite / Graphite · Material: Sealing carton · Number of components: 4 pcs · 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 · Hole pattern [mm]: 44 X 44 · Hole spacing outlet: 42 mm
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Nominal diameter: 45 mm · Manufacturer: GPO · Thick piston ring: 1.7 mm · 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
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Nominal diameter: 45 mm · Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Camouflaged: No · Surface: varnished · Crankshaft stroke: 43 mm · Displacement: 70 ccm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 26 mm · Ø Inlet inside: 19 mm · Hole spacing inlet: 38 mm · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Area of application: Racing · Area of application: Tuning
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