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 |
| Ø piston pin (B) | 12 mm |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 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
CHF 19.90
Moped fans also bought
NSK E15 shoulder ball bearing 15/35/8 (A1149)
Bearing type: Shoulder bearing · Inner ring width: 8 mm · Manufacturer: NSK · Bearing clearance: CN (standard) · Bearing cage: Brass cage ball-guided · Groove ring: No · Area of application: Standard · Material: Brass · Material: Steel · Surface: blank · Ø inside: 15 mm · Width: 8 mm · Stock number: E15 · Ø outside: 35 mm · Ball bearing closed: No · Pony OEM number: A1149 · Sachs OEM no.: 0232 017 006
CHF 24.90
swiing® revival air filter original gray | Sachs 503
Manufacturer: swiing® revival parts · Camouflaged: No · Area of application: Original · Area of application: Standard · Material: Plastic · Color: gray · Filter type: Standard sieve · Total length: 165 mm · Width: 68 mm · Height: 52 mm · Mounting type: Plug connection clamped · Ø Internal connection: 20 mm
CHF 44.90
Continental 2.00 - 2.50 x 19" tube
Manufacturer: Continental · Tire width [inch]: 2 - 2.5 " · Width [inch]: 2 · Width [inch]: 2 1/4 · Width [inch]: 2 1/2 · Tire width [mm]: 25.8 - 63.5 · Old designation: 23 x 2 · Old designation: 23 x 2.25 · Old designation: 23 x 2.5 · Tire height [%]: 100 · Valve type: TR6 car valve · Wheel size [inch]: 19 "
CHF 15.50
Manual indoor cable set
Manufacturer: Made in Germany · 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 · Nipple shape: Barrel (transverse) · Nipple shape: Cylinder · Nipple shape: Pears
CHF 9.90
Manual cable set black
Material: Steel · Color: black · Total length: 2200 mm · 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 · Outer shell length: 6000 mm · Nipple shape: Barrel (transverse) · Nipple shape: Cylinder · Nipple shape: Pears
CHF 19.90
Collection only possible with online purchase and appointment.
