
43.5 mm piston kit with a 1.2 mm rectangular piston ring with internal fuse (IS) for the Polini racing kit on your Puch moped / moped.
The detailed dimensions 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 | Polini |
| Nominal diameter | 43.5 mm |
| Ø outside piston (A) | 43.47 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 23 mm |
| Curvature (D) | 3.6 mm |
| Total piston height (E) | 50.55 mm |
| Number of piston rings (F) | 1 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.2 mm |
| Tolerance group | C |
| Weight piston kit | 92 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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Manufacturer: Polini · Material: Aluminum · Camouflaged: No · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 65 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 43.5 mm · Ø cylinder neck: 48 mm · Ø outlet inside: 22 mm · Inlet window: 26 x 21 mm · Thread inlet: M5x0.8 (standard thread) · Ø piston pin (B): 12 mm · Number of fixing points: 4 pcs · Hole spacing outlet: 42 mm · Outlet type: straight · Hole pattern [mm]: 44 x 44 · Thread outlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Hole spacing inlet: 39 mm · Area of application: Racing · Area of application: Tuning
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Manufacturer: Polini · Ø outside piston (A): 43.46 mm · Compression height (C): 23 mm · Curvature (D): 3.6 mm · Total piston height (E): 50.55 mm · Number of piston rings (F): 1 pcs · Nominal diameter: 43.5 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.2 mm · Ø piston pin (B): 12 mm · Tolerance group: B · Weight piston kit: 93 g
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Polini piston 43.5 mm type A | Puch
Nominal diameter: 43.5 mm · Manufacturer: Polini · Ø outside piston (A): 43.45 mm · Compression height (C): 23 mm · Curvature (D): 3.6 mm · Total piston height (E): 50.55 mm · Number of piston rings (F): 1 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.2 mm · Ø piston pin (B): 12 mm · Tolerance group: A · Weight piston kit: 93 g
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Polini piston 43.5 mm type D | Puch
Manufacturer: Polini · Ø outside piston (A): 43.48 mm · Compression height (C): 23 mm · Curvature (D): 3.6 mm · Total piston height (E): 50.55 mm · Number of piston rings (F): 1 pcs · Nominal diameter: 43.5 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.2 mm · Ø piston pin (B): 12 mm · Tolerance group: D · Weight piston kit: 93 g
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