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.
| Manufacturer | Meteor |
| Ø outside piston (A) | 39.95 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 |
| Nominal diameter | 40 mm |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 83 g |
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (engine) |
Ratings
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Area of application: (Dis)assembly tool · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Number of components: 7 pcs · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm
23,60 EUR
Moped fans also bought
swiing® revival gasket set cylinder original engine | Beta 521, 512
Manufacturer: swiing® revival parts · Material: Copper · Material: Sealing carton · Material: Sealing paper · Material: Sheet metal (steel) · Area of application: Original · Ø cylinder: 40 mm · Number of components: 3 pcs · Ø outlet inside: 22 mm · Hole pattern [mm]: 48 x 48 mm · Hole spacing outlet: 40 mm · Decompressor: Yes
16,50 EUR
Headlight original | Pony Cross, GTX (P8272)
Manufacturer: Pony · Test mark: E2 · Housing material: Plastic · Tension: 12 V · Thread size: M5 · Lens material: Plastic · Performance: 15 W · Color: black · Bulb holder: P26s · Speedometer recording: None · Depth: 87 mm · Switch included: No · Battery operated: No · Mounting type: Screws · Number of fixing points: 2 pcs · Area of application: Standard · Width: 158 mm · Height: 93 mm
94,70 EUR
GPO gasket 0.5 mm cylinder head Ø 40 mm cylinder | Pony GTX, Cross 521
Nominal diameter: 40 mm · Manufacturer: GPO · Material: Aluminum · Place of use: Cylinder head · Ø cylinder: 40 mm · Ø inside: 40.5 mm · Thickness: 0.5 mm · Hole pattern [mm]: 48 x 48 · Alternative version of the Pony OEM number: A8098
3,45 EUR
GPO 40 mm cylinder (without piston and gasket set) "Original" | Pony GTX, Cross 521 (A8092)
Nominal diameter: 40 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: blank · Displacement: 50 ccm · Ø cylinder neck: 45 mm · Hole spacing for cylinder mounting: 48 mm · Number of fixing points: 4 pcs · Outlet type: straight · Hole spacing outlet: 39 mm · Area of application: Original
106,50 EUR
GPO 40 mm cylinder kit "Original" | Pony GTX, Cross 521 (A8092)
Nominal diameter: 40 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: blank · Displacement: 50 ccm · Ø cylinder neck: 45 mm · Ø outlet inside: 21.5 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 39 mm · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 48 x 48 · Area of application: Original
177,60 EUR
Collection only possible with online purchase and appointment.
