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 stems and locking types on the legend in the pictures.
Nominal diameter: 43.5 mm · Weight piston kit: 97 g
| Nominal diameter | 43.5 mm |
| Manufacturer | Airsal |
| Ø outside piston (A) | 43.5 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 |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1 mm |
| Ø piston pin (B) | 12 mm |
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (engine) |
Ratings
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Airsal 43.5 mm cylinder kit Beta | Cilo Cross 521 / 512, Pony Cross 521, Pony GTX 521
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