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.
Details
| 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 |
Suitable for the following models
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 PS, 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
Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Manufacturer: GPO · Area of application: (Dis)assembly tool · Material: Steel · Surface: burnished · Number of components: 7 pcs
22,20 EUR
Moped fans like you also bought:
swiing® revival seal Float SRE, SRC, SRF, SRA
Manufacturer: swiing® revival parts · Material: Sealing paper · Surface: blank · Carburetor type: SRA (1/11/31) Velux · Carburetor type: SRA (1/11/35) Velux · Carburetor type: SRC · Carburetor type: SRE · Carburetor type: SRF · Ø inside: 41 mm · Ø outside: 45 mm · Thickness: 1.5 mm · Pony spare part no.: A4519 · Sachs spare part no.: 0950 128 000
3,15 EUR
BING O-ring Bing SRE & 85, Ø 20 mm
Place of use: Carburetor · Cord thickness: 1.4 mm · Manufacturer: BING · Area of application: Standard · Material: Rubber · Surface: raw · Number of components: 1 pcs · Ø inside: 17.2 mm · Ø outside: 20 mm · Color: black · Pony spare part no.: A4281 · Sachs spare part no.: 0250 160 101
3,25 EUR
BERU breaker with cable | Bosch / Ducati
Manufacturer: BERU · Area of application: Original · Area of application: Standard · Material: Steel · Cable available: Yes · Ø axle: 4 mm · Ø Internal flywheel: 90 mm · Cable length: 100 mm · Ø mounting hole: 4.5 mm · Number of fixing points: 1 pcs · Alternative version of the Pony Spare part no.: A4606 · BOSCH spare part no.: 1 217 013 025 · Alternative version of Sachs spare part no.: 0983 106 000 · BERU spare part no.: 0 340 100 710
16,70 EUR
Continental 2.00 - 2.50 x 19" tube
Valve type: TR6 car valve · Manufacturer: Continental · Tire width [inch]: 2 - 2.5 " · Tire width [mm]: 25.8 - 63.5 · Tire height [%]: 100 · Width [inch]: 2 · Width [inch]: 2 1/4 · Width [inch]: 2 1/2 · Wheel size [inch]: 19 " · Old designation: 23 x 2 · Old designation: 23 x 2.25 · Old designation: 23 x 2.5
17,20 EUR
swiing® revival ball bearing countershaft | Sachs 50/2, 50/3, 50/4, 503 2AL/2BL (A2531)
Bearing type: Deep groove ball bearing · Stock number: E15 · Inner ring width: 25.6 mm · Manufacturer: swiing® revival parts · Bearing clearance: CN (standard) · Bearing cage: "-" Sheet steel cage ball-guided · Area of application: High End · Area of application: Standard · Material: Steel · Ø inside: 15 mm · Width: 8 mm · Ø outside: 35 mm · Thread type: MF20.8x1 LH (fine/left-hand thread) · Pony spare part no.: A2531 · Sachs spare part no.: 0286 079 105
55,80 EUR
Collection only possible with online purchase and appointment.
