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) |
| Piston ring height | 1.55 mm, 2 mm |
| Ø piston pin (B) | 12 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 · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 X 44 · Number of components: 4 pcs
CHF 14.90
GPO piston rings 45 mm (Metrakit replica) | Puch
Manufacturer: GPO · Diameter: 45 mm · Thick piston ring: 1.7 mm · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Nominal diameter: 45 mm · Piston ring impact: Flank safety device (FS) · Piston ring impact: Internal fuse (IS) · Height: 1.5 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 · 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
CHF 159.90
Explore categories from Piston
Moped fans also bought
GPO 45 mm cylinder head tuning black | Puch Maxi S, N, X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Area of application: Tuning · Surface: varnished · Ø cylinder: 45 mm · Number of fixing points: 4 pcs · Decompressor: No · Total length: 135 mm · Width: 125 mm · Height: 55 mm · Camouflaged: Yes
CHF 42.90
Not in stock
Hot 
swiing® ingenious 17 mm SRF carburetor camouflaged | Puch Maxi, Supermaxi, X30 NS / NL
Manufacturer: swiing® ingenious parts · Material: Aluminum · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Nominal diameter: 17 mm · Mounting type: Plug connection clamped · Ø fuel hose connection: 5 mm · Total length: 65 mm · Width: 47 mm · Ø Inside entrance: 17 mm · Ø Internal connection: 23 mm · Ø Output inside: 17.1 mm · Height: 89 mm · Height: 109 mm · Ø Air filter connection: 27.5 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Area of application: Tuning · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.2 · Camouflaged: Yes · Nozzle size: 74 · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m
CHF 119.90
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 · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 X 44 · Number of components: 4 pcs
CHF 14.90
GPO Ø 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
CHF 159.90
Collection only possible with online purchase and appointment.
