41 mm piston with two 1.5 mm rectangular piston rings with internal fuse (IS) to fit your moped / moped with Sachs 502, 50/2, 50/3 and 50/4 engine.
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.
The piston skirt is shortened by 4 mm on the inlet side.
We recommend installing a piston clearance of 0.06-0.07 mm, so the cylinder should have a bore of 41.02 - 41.03 mm.
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tools, piston rings, piston pin locks etc. in the accessories section.
Good, inexpensive standard spare part. GPO – GOOD PARTS ONLY.
| Nominal diameter | 41 mm |
| Manufacturer | GPO |
| Ø outside piston (A) | 40.96 mm |
| Compression height (C) | 28 mm |
| Curvature (D) | 2.5 mm |
| Total piston height (E) | 52 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Piston weight | 90 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) 50/3 50/4 - MLFB (2.6 PS), LKH (4.5 PS) 503 - AAL, ABL, 2AL / 2BL |
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 23.50
Moped fans also bought
NSK E15 shoulder ball bearing 15/35/8 (A1149)
Stock number: E15 · Inner ring width: 8 mm · Manufacturer: NSK · Bearing clearance: CN (standard) · Bearing cage: Brass cage ball-guided · Groove ring: No · Surface: blank · Material: Brass · Bearing type: Shoulder bearing · Material: Steel · Width: 8 mm · Ø inside: 15 mm · Ø outside: 35 mm · Ball bearing closed: No · Area of application: Standard · Pony OEM number: A1149 · Sachs OEM no.: 0232 017 006
EUR 29.40
swiing® revival air filter original gray | Sachs 503
Manufacturer: swiing® revival parts · Camouflaged: No · Color: gray · Material: Plastic · Mounting type: Plug connection clamped · Filter type: Standard sieve · Total length: 165 mm · Width: 68 mm · Height: 52 mm · Ø Internal connection: 20 mm · Area of application: Original · Area of application: Standard
EUR 53.10
Continental 2.00 - 2.50 x 19" tube
Manufacturer: Continental · Tire width [inch]: 2 - 2.5 " · Tire width [mm]: 25.8 - 63.5 · Width [inch]: 2 · Width [inch]: 2 1/4 · Width [inch]: 2 1/2 · Tire height [%]: 100 · Wheel size [inch]: 19 " · Old designation: 23 x 2 · Old designation: 23 x 2.25 · Old designation: 23 x 2.5 · Valve type: TR6 car valve
EUR 18.30
Manual indoor cable set
Manufacturer: Made in Germany · Quantity: 4 pcs · Material: Steel · Ø Stranded wire: 1.2 mm · Ø Stranded wire: 1.25 mm · Ø Stranded wire: 1.5 mm · Ø Stranded wire: 1.8 mm · Total length: 2200 mm · Nipple shape: Barrel (transverse) · Nipple shape: Cylinder · Nipple shape: Pears
EUR 11.70
Manual cable set black
Material: Steel · Quantity: 4 pcs · Ø Stranded wire: 1.2 mm · Ø Stranded wire: 1.25 mm · Ø Stranded wire: 1.5 mm · Ø Stranded wire: 1.8 mm · Total length: 2200 mm · Color: black · Outer shell length: 6000 mm · Nipple shape: Barrel (transverse) · Nipple shape: Cylinder · Nipple shape: Pears
EUR 23.50
Collection only possible with online purchase and appointment.
