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 |
Nominal diameter | 40 mm |
Piston ring mold | Rectangular ring |
Ø piston pin (B) | 12 mm |
Piston ring impact | Flank safety device (FS) |
Piston ring height | 1.5 mm |
Piston weight | 83 g |
Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (engine) |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Material: Steel · Surface: burnished · Total length: 130 mm · Manufacturer: GPO · Number of components: 7 pcs · Area of application: (Dis)assembly tool · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm
EUR 24.30
Moped fans also bought
swiing® ingenious 15 mm carburetor tuning camouflaged | Puch
Nominal diameter: 15 mm · Width: 50 mm · Height: 95 mm · Manufacturer: swiing® ingenious parts · Total length: 66 mm · Mounting type: Plug connection clamped · Material: Aluminum · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Ø fuel hose connection: 6 mm · Nozzle size: 62 · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Area of application: Tuning · Ø Air filter connection: 20 mm · Mixed oil connection: No · Vacuum connection: No · Nozzle block: 2.17 · Clamping screw torque (max.): 4 N/m
EUR 97.60
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) · Number of components: 3 pcs · Ø cylinder: 40 mm · Ø outlet inside: 22 mm · Area of application: Original · Hole spacing outlet: 40 mm · Hole pattern [mm]: 48 x 48 mm · Decompressor: Yes
EUR 17.00
Headlight original | Pony Cross, GTX (P8272)
Color: black · Width: 158 mm · Height: 93 mm · Manufacturer: Pony · Mounting type: Screws · Number of fixing points: 2 pcs · Test mark: E2 · Depth: 87 mm · Bulb holder: P26s · Switch included: No · Housing material: Plastic · Tension: 12 V · Lens material: Plastic · Performance: 15 W · Area of application: Standard · Speedometer recording: None · Thread size: M5 · Battery operated: No
EUR 97.60