
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 pictures.
| Manufacturer | Meteor |
| Ø outside piston (A) | 39.97 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 27.9 mm |
| Curvature (D) | 4 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 |
| Weight piston kit | 83 g |
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (engine) |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Manufacturer: GPO · Material: Steel · Surface: burnished · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool · Total length: 130 mm · Number of components: 7 pcs
23,20 EUR
Meteor piston 40 mm "G" (A8103) | Beta 521 & 512
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 · Piston ring impact: Flank safety device (FS) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Weight piston kit: 83 g
87,40 EUR
Meteor piston 40 mm "V" (A8105) | Beta 521 & 512
Manufacturer: Meteor · Ø outside piston (A): 39.93 mm · Compression height (C): 27.9 mm · Curvature (D): 4 mm · Total piston height (E): 52 mm · Number of piston rings (F): 2 pcs · Nominal diameter: 40 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Weight piston kit: 83 g
87,40 EUR
Meteor piston 40 mm "N" (A8104) | Beta 521 & 512
Manufacturer: Meteor · Ø outside piston (A): 39.94 mm · Compression height (C): 28 mm · Curvature (D): 4 mm · Total piston height (E): 52 mm · Number of piston rings (F): 2 pcs · Nominal diameter: 40 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Thick piston ring: 1.7 mm · Ø piston pin (B): 12 mm · Weight piston kit: 83 g
87,40 EUR
Explore categories from Piston
Moped fans also bought
Union Plastic Pedals "Original"
Manufacturer: Union · Material: Plastic · Material: Steel · Color: black · Surface: rubberized · Width: 77 mm · Thread type: FG14.3 (9/16" 20G) · Height: 29 mm · Drive: Hexagon socket · Drive: Outer edge · Total length: 129 mm · Width across flats: 15 mm · Reflectors: Yes
15,10 EUR
ESJOT sprocket 12 teeth | Beta 521 & 512 (A8311)
Manufacturer: ESJOT · Material: Steel · Surface: varnished · Chain pitch: 1/2" x 3/16" · Chain type: 415H · Thread type: MF24x1.5 (fine pitch thread) · Number of teeth: 12 pcs · Thickness: 4.4 mm · Recording type: Cone mounting · Total thickness: 13 mm · Ø inside: 14.6 mm
34,40 EUR
swiing® revival gasket set | Pony / Cilo Beta 521
Manufacturer: swiing® revival parts · Material: Copper · Material: Sealing carton · Material: Sealing paper · Ø outlet inside: 21.6 mm · Area of application: Standard · Hole spacing inlet: 35 mm · Hole spacing outlet: 38 mm · Number of components: 10 pcs · Hole pattern [mm]: 48 x 48 · Decompressor: Yes
34,40 EUR










