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 |
| 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 |
| Nominal diameter | 45 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 "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 · 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
17,70 EUR
GPO piston rings 45 mm "GPO Metrakit" (pair) | Puch
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
15,30 EUR
GPO Ø 45 mm "Metrakit" cylinder kit | Puch
Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Surface: varnished · Displacement: 70 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 45 mm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 26 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing outlet: 42 mm · Hole spacing inlet: 38 mm · Outlet type: straight · Ø piston pin (B): 12 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Area of application: Racing · Area of application: Tuning · Hole pattern [mm]: 44 x 44 · Camouflaged: No
189,40 EUR
170,50 EUR
Moped fans also bought
GPO 45 mm cylinder head tuning black | Puch Maxi S, N, X30 NS, NL, N-2AH
Manufacturer: GPO · Area of application: Tuning · Material: Aluminum · Surface: varnished · Ø cylinder: 45 mm · Width: 125 mm · Total length: 135 mm · Height: 55 mm · Number of fixing points: 4 pcs · Decompressor: No · Camouflaged: Yes
50,80 EUR
- 10 %
Hot 
swiing® ingenious 17 mm SRF carburetor camouflaged | Puch Maxi, Supermaxi, X30 NS / NL
Nominal diameter: 17 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Area of application: Tuning · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Choke control: Hand choke · Total length: 65 mm · Width: 47 mm · Nozzle thread: M3.5x0.6 (standard thread) · Mounting type: Plug connection clamped · Ø fuel hose connection: 5 mm · Nozzle size: 74 · Ø Inside entrance: 17 mm · Ø Internal connection: 23 mm · Ø Output inside: 17.1 mm · Ø Air filter connection: 27.5 mm · Mixed oil connection: No · Vacuum connection: No · Height: 89 mm · Height: 109 mm · Nozzle block: 2.2 · Camouflaged: Yes · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m
142,10 EUR
127,80 EUR
Hot
swiing® ingenious intake manifold 17 mm SRF camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Area of application: Performance · Area of application: Racing · Area of application: Tuning · Mounting type: Stud bolts & nuts · Ø inside: 17 mm · Number of fixing points: 2 pcs · Ø External connection: 23 mm · Hole spacing inlet: 38 mm · Total length: 38 mm · Height flange center hole: 42 mm · Total height: 53.5 mm · Camouflaged: Yes
53,20 EUR
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 · 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
17,70 EUR
GPO Ø 45 mm "Metrakit" cylinder kit | Puch
Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Surface: varnished · Displacement: 70 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 45 mm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 26 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing outlet: 42 mm · Hole spacing inlet: 38 mm · Outlet type: straight · Ø piston pin (B): 12 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Area of application: Racing · Area of application: Tuning · Hole pattern [mm]: 44 x 44 · Camouflaged: No
189,40 EUR
170,50 EUR
Collection only possible with online purchase and appointment.
