41.0 mm piston with two 1.5 mm rectangular piston rings with internal circlip (IS) for your moped / moped with blown BAD ASS Pandora 41.00 mm cylinder on Sachs 503, 50/2, 502 engines. The piston kit is used for the 41 mm cylinder variant.
The detailed dimensioning 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 kit contains piston pins, piston clips and piston rings.
You can find the alternative replacement piston from GPO for your Badass Pandora cylinder in the accessories section.
Quality product from the Italian manufacturer GOL.
| Manufacturer | BAD ASS |
| Ø outside piston (A) | 40.94 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 28.1 mm |
| Curvature (D) | 1.7 mm |
| Total piston height (E) | 50.7 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 41 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Weight piston kit | 92 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 |
Ratings
Accessories & related products
GPO piston 40.94 mm | Sachs 502, 50/2, 50/3, 50/4
Manufacturer: GPO · Ø outside piston (A): 40.94 mm · Ø piston pin (B): 12 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 · Nominal diameter: 41 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Thick piston ring: 1.8 mm · Weight piston kit: 86 g
CHF 39.90
Not in stock
GPO 41 mm "Pomodoro" cylinder kit | Sachs 503
Nominal diameter: 41 mm · Manufacturer: GPO · Material: Gray cast iron · Displacement: 57 ccm · Crankshaft stroke: 43 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 · Ø piston pin (B): 12 mm · Outlet type: clamped · Hole pattern [mm]: 40 x 60 / 37 x 37 · Area of application: Tuning
CHF 179.90
Not in stock
GPO 43 mm "Pomodoro" cylinder kit | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: GPO · Material: Gray cast iron · Area of application: Tuning · Displacement: 63 ccm · Crankshaft stroke: 43 mm · Ø piston pin (B): 12 mm · Nominal diameter: 43 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø Inlet inside: 19 mm · 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 · Alternative version of the Pony OEM number: A1087 · Alternative version of the Sachs OEM number: 0213 142 000
CHF 219.90
BAD ASS Ø 41 mm "Pandora" tuning cylinder | Sachs 503, 50/2, 502
Manufacturer: BAD ASS · Number of fixing points: 4 pcs · Material: Gray cast iron · Camouflaged: No · Area of application: Tuning · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · 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 · Thread inlet: M6x1 (standard thread) · Ø outlet inside: 23 mm · Outlet type: clamped · Hole spacing inlet: 32 mm · Hole pattern [mm]: 40 x 60 / 37 x 37
CHF 224.90
Explore categories from Piston
Moped fans also bought
Hot 
KMC drive chain 415H (reinforced) 128L
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Ø Pin: 3.94 mm · Manufacturer: KMC · Material: Steel · Surface: blank / oiled · Number of chain links: 128 pcs · Color: gray · Ø bore: 4 mm · Rolling circumference: 1626 mm · Chain lock type: Spring lock
CHF 12.50
Hot
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø Stranded wire: 1.25 mm · Nipple shape: Cylinder · Ø nipple: 3 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Cable length: 2200 mm · Nipple length: 5 mm · Number of components: 1 pcs · Area of application: Standard
CHF 2.40
swiing® ingenious needle roller bearing 12/15/16.2 "Racing" silver cage
Bearing type: Needle roller and cage assembly · Manufacturer: swiing® ingenious parts · Bearing cage: Silver cage · Ø inside: 12 mm · Ø outside: 15 mm · Width: 16.2 mm · Dimension needle bearing: 12/15 x 16.2 · Tomos OEM number: 035548
CHF 13.90
swiing® ingenious gasket cylinder head 41 mm | Sachs 503, 502, 50/2, 50/3, 50/4
Manufacturer: swiing® ingenious parts · Material: Aluminum · Place of use: Cylinder head · Thickness: 0.3 mm · Nominal diameter: 41 mm · Ø inside: 41.7 mm · Ø cylinder: 41 mm · Hole pattern [mm]: 37 x 37 · Area of application: Standard
CHF 4.90
GPO cylinder gasket set BAD ASS Pandora 41 & 43 mm | Sachs 503, 50/2, 502
Manufacturer: GPO · Material: Oiled paper · Thickness: 0.3 mm · Thickness: 1 mm · Ø cylinder: 41 mm · Ø cylinder: 43 mm · Number of components: 2 pcs · Hole spacing inlet: 32 mm · Hole pattern [mm]: 60 x 40 mm / 37 x 37 mm · Area of application: Tuning
CHF 14.50
BAD ASS Ø 41 mm "Pandora" tuning cylinder | Sachs 503, 50/2, 502
Manufacturer: BAD ASS · Number of fixing points: 4 pcs · Material: Gray cast iron · Camouflaged: No · Area of application: Tuning · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · 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 · Thread inlet: M6x1 (standard thread) · Ø outlet inside: 23 mm · Outlet type: clamped · Hole spacing inlet: 32 mm · Hole pattern [mm]: 40 x 60 / 37 x 37
CHF 224.90
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
