43.50 mm replacement piston with two 1 mm rectangular piston rings with internal fuse (IS) to fit the cylinder kit for Cilo Cross 521 & 512, Pony Cross 521 / GTX 521 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 positions and locking types on the legend in the pictures.
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 Spanish manufacturer Airsal.
The set includes the following fixed parts:
Nominal diameter: 43.5 mm · Piston weight: 97 g
Details
| Manufacturer | Airsal |
| Ø outside piston (A) | 43.5 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 25.8 mm |
| Curvature (D) | 4.25 mm |
| Total piston height (E) | 52.2 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 43.5 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1 mm |
Suitable for the following models
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (Motor) |
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Collection only possible with online purchase and appointment.
