40 mm piston with two 2 mm rectangular piston rings with flank lock (FS) to fit your Sachs 502, 50/2, 503 2AL, AAL, 2BL, ABL CH moped / moped.
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 Racing |
| Surface | molybdenum-coated |
| Nominal diameter | 40 mm |
| Ø outside piston (A) | 39.95 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 28 mm |
| Curvature (D) | 3 mm |
| Total piston height (E) | 53 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 2 mm |
| Weight piston kit | 94 g |
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 hp, DE) 502 (Saxonette) - AL , AML 50/2 - L CH (0.8 PS) , ML CH (0.8 PS) , MB (2.6 PS) , MLB (2.6 PS) 503 - AAL , ABL , 2AL / 2BL |
Ratings
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · 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 · Area of application: (Dis)assembly tool
EUR 23.60
EUR 21.20
Meteor piston rings 38 x 2 mm (FS) (pair) | Sachs 50/2, 503
Nominal diameter: 38 mm · Manufacturer: Meteor · Diameter: 38 mm · Height: 2 mm · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Thick piston ring: 1.6 mm · Pony OEM number: A1091 · Sachs OEM no.: 0215 009 000
EUR 12.90
Explore categories from Piston
Moped fans also bought
Hot 
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Ø nipple: 3.5 mm · Ø nipple: 6 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Ø Stranded wire: 1.8 mm · Nipple shape: Pears · Cable length: 2200 mm · Nipple length: 10 mm · Area of application: Standard
EUR 2.85
Not so nice 
Fork steerer nut M26x1 closed small fork plate chrome
Drive: External hexagon · Manufacturer: Quenching · Material: Steel · Surface: chrome-plated · Nut type: Cap nut · Height: 16.3 mm · Ø outside: 28.6 mm · Thread depth: 8 mm · Thread type: MF26x1 (fine pitch thread) · Width across flats: 30 mm · Area of application: Standard
EUR 8.90
BING O-ring Bing SRE & 85, Ø 20 mm
Cord thickness: 1.4 mm · Manufacturer: BING · Material: Rubber · Surface: raw · Color: black · Number of components: 1 pcs · Ø outside: 20 mm · Ø inside: 17.2 mm · Place of use: Carburetor · Area of application: Standard · Pony OEM number: A4281 · Sachs OEM no.: 0250 160 101
EUR 3.45
Meteor piston 39.2 mm oversize | Sachs 50/2 & 503
Nominal diameter: 38 mm · Manufacturer: Meteor · Ø outside piston (A): 39.2 mm · Compression height (C): 28 mm · Curvature (D): 3 mm · Total piston height (E): 53 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 2 mm · Ø piston pin (B): 12 mm · Weight piston kit: 88 g · Pony OEM number: A2776 · Sachs OEM no.: 0286 377 014
EUR 59.20
Meteor piston 39.5 mm oversize | Sachs 50/2 & 503
Nominal diameter: 38 mm · Manufacturer: Meteor · Ø outside piston (A): 39.45 mm · Compression height (C): 28 mm · Curvature (D): 3 mm · Total piston height (E): 53 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 2 mm · Ø piston pin (B): 12 mm · Weight piston kit: 90 g
EUR 59.20
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
