40.0 mm piston with two 1.5 mm rectangular piston rings with internal locking (IS) for Cilo Cross 521 & 512, Pony Cross 521, Pony 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 images.
Tolerance type: G
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.
Original spare part number: A8103
Quality product from the Italian manufacturer Meteor.
Details
| Manufacturer | Meteor |
| Nominal diameter | 40 mm |
| Ø outside piston (A) | 39.95 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 27.9 mm |
| Curvature (D) | 4.15 mm |
| Total piston height (E) | 52 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 1.5 mm |
| Piston weight | 83 g |
Suitable for the following models
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (engine) |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
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Collection only possible with online purchase and appointment.
