A set of 45 mm compression rings consisting of an L-piston ring with internal circlip (IS) and a 1.5 mm rectangular piston ring with internal circlip (IS).
The rings fit 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 rings according to the technical drawing can be found in the details. You can also find out about the common piston rings, their dimensions and locking types on the legend in the pictures.
| Manufacturer | GPO |
| Nominal diameter | 45 mm |
| Height | 1.5 mm |
| Piston ring mold | L-ring, Rectangular ring |
| Piston ring impact | Internal fuse (IS), Flank safety device (FS) |
| Thick piston ring | 1.7 mm |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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GPO 45 mm piston (Metrakit replica) | Puch
Manufacturer: GPO · Material: Aluminum · Ø piston pin (B): 12 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 · Nominal diameter: 45 mm · 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 · Weight piston kit: 98 g
58,70 EUR
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Manufacturer: GPO · Material: Aluminum · Material: Graphite / Graphite · Material: Sealing carton · Number of components: 4 pcs · Ø cylinder: 43.5 mm · Ø cylinder: 45 mm · Thickness: 0.4 mm · Thickness: 0.5 mm · Thickness: 2.6 mm · Ø outlet inside: 26.5 mm · Hole spacing outlet: 42 mm · Hole spacing inlet: 38 mm · Hole pattern [mm]: 44 X 44
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GPO piston rings 43.5 mm (Metrakit replica) | Puch
Manufacturer: GPO · Nominal diameter: 43.5 mm · Height: 1.5 mm · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring impact: Internal fuse (IS) · Thick piston ring: 1.7 mm
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GPO 45 mm cylinder kit (Metrakit replica) | Puch
Nominal diameter: 45 mm · Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Surface: varnished · Displacement: 70 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 47.8 mm · 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) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Camouflaged: No · Area of application: Racing · Area of application: Tuning
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