41.0 mm piston with two 1.5 mm rectangular piston rings with internal fuse (IS) suitable for Sachs mopeds / mopeds 502, 50/2, 50/3 and 50/4 cylinders.
This replacement piston is suitable for the GPO Pomodoro 41 mm as well as the Badass Pandora 41 mm racing kit.
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.
We recommend a piston clearance of 0.06 mm, so the cylinder should have a bore of 41.0 mm. The piston skirt is shortened by 4 mm on the inlet side.
The piston kit contains piston pins, piston clips and piston rings.
You will find the appropriate fitting tools, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Good, inexpensive standard spare part. GPO – GOOD PARTS ONLY.
Details
Manufacturer | GPO |
Nominal diameter | 41 mm |
Thick piston ring | 1.8 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 |
Piston ring impact | Internal fuse (IS) |
Piston ring height | 1.5 mm |
Ø piston pin (B) | 12 mm |
Piston weight | 86 g |
Suitable for the following models
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
BAD ASS Ø 41 mm "Pandora" tuning cylinder | Sachs 503, 50/2, 502
Nominal diameter: 41 mm · Manufacturer: BAD ASS · Material: Gray cast iron · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø outlet inside: 23 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Number of fixing points: 4 pcs · Hole pattern [mm]: 40 x 60 / 37 x 37 · Camouflaged: No · Area of application: Tuning
261,90 EUR
Moped fans like you also bought:
swiing® revival stud bolt M5 x 23 mm 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 · Thread type: M5x0.8 (standard thread) · Total length: 23 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
Number of components: 5 pcs · Manufacturer: swiing® revival parts · Material: Copper · Material: Sealing paper · Area of application: Standard · Ø cylinder: 38 mm · Hole spacing inlet: 31 mm · Hole spacing inlet: 67 - 31 mm · Ø outlet inside: 28 mm · Hole pattern [mm]: 60 x 40 mm
15,50 EUR
swiing® ingenious 41 mm cylinder kit tuning diaphragm | Sachs 50/2 (CH)
Manufacturer: GPO · Manufacturer: swiing® ingenious parts · Camouflaged: Yes · Material: Gray cast iron · Surface: sandblasted · Nominal diameter: 41 mm · Crankshaft stroke: 42 mm · Displacement: 55 ccm · Ø piston pin (B): 12 mm · Ø cylinder neck: 44 mm · Hole spacing inlet: 68 mm · Ø Outlet outside: 35 mm · Ø Inlet inside: 19 mm · Ø outlet inside: 26 mm · Number of fixing points: 4 pcs · Inlet window: 57.5 x 19 · Thread inlet: M5x0.8 (standard thread) · Area of application: Tuning · Outlet type: Union nut · Hole pattern [mm]: 60 x 40 / 37 x 37 · Thread outlet: M35x2 (standard thread)
192,00 EUR
GPO 41 mm "Pomodoro" cylinder kit | Sachs 503
Manufacturer: GPO · Material: Gray cast iron · Crankshaft stroke: 43 mm · Displacement: 55 ccm · Ø piston pin (B): 12 mm · Nominal diameter: 41 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø Inlet inside: 19 mm · Area of application: Tuning · Thread inlet: M6x1 (standard thread) · Ø outlet inside: 22 mm · Outlet type: clamped · Hole spacing inlet: 32 mm · Hole pattern [mm]: 40 x 60 / 37 x 37
232,70 EUR