43.5 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 | 43.5 mm |
| Ø outside piston (A) | 43.46 mm |
| Compression height (C) | 22.9 mm |
| Curvature (D) | 3.1 mm |
| Total piston height (E) | 49.55 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 | 1.9 mm, 1.8 mm |
| Weight piston kit | 87 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 43.5 mm (Metrakit replica) | Puch
Nominal diameter: 43.5 mm · Manufacturer: GPO · Diameter: 43.5 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
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GPO Ø 43.5 mm cylinder kit (Metrakit replica) | Puch
Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Camouflaged: No · Surface: varnished · Nominal diameter: 43.5 mm · Displacement: 64 ccm · Crankshaft stroke: 43 mm · Ø piston pin (B): 12 mm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 26 mm · Ø Inlet inside: 19 mm · Hole spacing inlet: 38 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Outlet type: straight · Number of fixing points: 4 pcs · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Area of application: Racing · Area of application: Tuning
EUR 171.90
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Nominal diameter: 45 mm · Manufacturer: GPO · Material: Aluminum · 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: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.55 mm · Piston ring height: 2 mm · Thick piston ring: 1.8 mm · Thick piston ring: 1.9 mm · Ø piston pin (B): 12 mm · Weight piston kit: 98 g
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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 43.5 mm cylinder kit (Metrakit replica) | Puch
Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Camouflaged: No · Surface: varnished · Nominal diameter: 43.5 mm · Displacement: 64 ccm · Crankshaft stroke: 43 mm · Ø piston pin (B): 12 mm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 26 mm · Ø Inlet inside: 19 mm · Hole spacing inlet: 38 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Outlet type: straight · Number of fixing points: 4 pcs · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Area of application: Racing · Area of application: Tuning
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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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