41.0 mm piston with two 1.5 mm rectangular piston rings with internal fuse (IS) suitable for Sachs mopeds 502, 50/2, 50/3 and 50/4 cylinders.
This replacement piston is suitable for the GPO Pomodoro 41 mm, the 41 mm Wummer and the Badass Pandora 41 mm racing kit, among others.
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 | GPO |
| Nominal diameter | 41 mm |
| Ø outside piston (A) | 40.94 mm |
| Compression height (C) | 28 mm |
| Curvature (D) | 3.2 mm |
| Total piston height (E) | 49.4 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 |
| Thick piston ring | 1.8 mm |
| Weight piston kit | 86 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
Explore categories from Piston
Moped fans also bought
swiing® revival Stud Bolt M5x23 Inlet (Diaphragm) 10.9 | Sachs 50/2 (A3700)
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Area of application: Standard · Diameter: 4.9 mm · Total length: 23 mm · Thread type: M5x0.8 (standard thread) · Nominal diameter (thread): 5 mm · Thread length: 6 mm · Thread length: 12 mm · Pony OEM number: A3700 · Sachs OEM no.: 0640 016 101 · Sachs OEM no.: 0640 016 102
2,10 EUR
swiing® revival gasket set cylinder diaphragm version | Sachs 50/2
Manufacturer: swiing® revival parts · Material: Copper · Material: Sealing paper · Area of application: Standard · Ø cylinder: 38 mm · Number of components: 5 pcs · Ø outlet inside: 28 mm · Hole spacing inlet: 31 mm · Hole spacing inlet: 67 - 31 mm · Hole pattern [mm]: 60 x 40 mm
15,70 EUR
GPO 41 mm cylinder "Pomodoro" | Sachs 503
Nominal diameter: 41 mm · Manufacturer: GPO · Material: Gray cast iron · Camouflaged: No · Area of application: Racing · Area of application: Tuning · Crankshaft stroke: 43 mm · Displacement: 57 ccm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Hole spacing inlet: 32 mm · Outlet type: clamped
176,40 EUR
GPO 41 mm "Pomodoro" cylinder kit | Sachs 503
Manufacturer: GPO · Material: Gray cast iron · Area of application: Tuning · Nominal diameter: 41 mm · Displacement: 57 ccm · Crankshaft stroke: 43 mm · Ø piston pin (B): 12 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø outlet inside: 22 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped
211,70 EUR
Working late? Evening hours on Thursday until 20:00
