42 mm OD piston with a 2 mm L-piston ring with internal circlip (IS) for mopeds / mopeds with the original Sachs 503 AB / AC / ADV wide wall cylinders.
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.
The tuning piston is used for bored and honed cylinders.
Tolerance B
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tool, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Quality product from the Italian manufacturer Athena.
Details
| Manufacturer | Athena |
| Ø outside piston (A) | 41.95 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 28 mm |
| Curvature (D) | 2.05 mm |
| Total piston height (E) | 51.05 mm |
| Number of piston rings (F) | 1 pcs |
| Nominal diameter | 42 mm |
| Piston ring mold | L-ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 2 mm |
| Tolerance group | B |
Suitable for the following models
| Sachs | 503 - AB, AC, ADV |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Area of application: (Dis)assembly tool · Material: Steel · Surface: burnished · Number of components: 7 pcs · Total length: 130 mm · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm
CHF 19.90
CHF 29.90
Collection only possible with online purchase and appointment.
