38.0 mm piston with a 1.5 mm rectangular piston ring with internal fuse (IS) for slotted cylinders of various Puch mopeds / mopeds.
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 images.
Tolerance type: C
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tools, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Quality product from the Italian manufacturer Athena.
| Nominal diameter | 38 mm |
| Manufacturer | Athena |
| Ø outside piston (A) | 37.97 mm |
| Compression height (C) | 22.45 mm |
| Curvature (D) | 3.55 mm |
| Total piston height (E) | 55 mm |
| Number of piston rings (F) | 1 pcs |
| Piston ring mold | Rectangular ring |
| Ø piston pin (B) | 12 mm |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Tolerance group | C |
| Piston weight | 76 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
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Athena piston 38 mm #A | Puch
Nominal diameter: 38 mm · Manufacturer: Athena · Ø outside piston (A): 37.94 mm · Compression height (C): 22.5 mm · Curvature (D): 3.55 mm · Total piston height (E): 55 mm · Number of piston rings (F): 1 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Tolerance group: A · Piston weight: 76 g
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GPO piston pin extractor Ø 10, 12, 14 mm
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Athena piston 38 mm #B | Puch
Nominal diameter: 38 mm · Manufacturer: Athena · Ø outside piston (A): 37.94 mm · Compression height (C): 22.45 mm · Curvature (D): 3.55 mm · Total piston height (E): 55 mm · Number of piston rings (F): 1 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Tolerance group: B · Piston weight: 74 g
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