41.0 mm tuning piston with two 1.5 mm rectangular piston rings with flank lock (FS) for blown swiing tuning cylinders made of aluminum suitable for mopeds / mopeds with Sachs 502, 50/2, 50/3 and 50/4 engines.
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.
| Nominal diameter | 41 mm |
| Manufacturer | swiing® ingenious parts |
| Ø outside piston (A) | 40.96 mm |
| Compression height (C) | 28 mm |
| Curvature (D) | 3.4 mm |
| Total piston height (E) | 53 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 91 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) 50/5 503 - AAL , ABL , 2AL / 2BL |
Ratings
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Number of components: 7 pcs · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
EUR 23.60
EUR 21.20
swiing® ingenious stud bolt set M6 / M5 Sachs (12.9 strength) Special
Drive: External hexagon · Manufacturer: swiing® ingenious parts · Material: Steel · Surface: burnished · Surface: galvanized (blue) · Diameter: 6 mm · Total length: 27.3 mm · Thread type: M5x0.8 (standard thread) · Thread type: M6x1 (standard thread) · Strength class: 10 · Strength class: 12.9 · Thread length: 9.5 mm · Thread length: 14 mm · Width across flats: 8 mm
EUR 22.90
Meteor piston ring 41 x 1.5 mm (FS) hard chrome-plated for aluminum cylinder
Nominal diameter: 41 mm · Manufacturer: Meteor · Surface: hard chrome plated · Diameter: 41 mm · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Height: 1.5 mm · Thick piston ring: 1.7 mm
EUR 11.40
Hot 
swiing® ingenious 41 mm cylinder kit Racing fan-cooled | Sachs 50/2 (CH)
Nominal diameter: 41 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Ø cylinder neck: 45 mm · Ø outlet inside: 20.5 mm · Ø Inlet inside: 15.3 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 31 mm · Ø piston pin (B): 12 mm · Outlet type: Union nut · Thread outlet: M35x2 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 60 x 40 / 37 x 37 · Camouflaged: No · Area of application: Racing
EUR 260.90
Not in stock
Hot
swiing® ingenious 41 mm cylinder kit Racing fan-cooled | Sachs 50/2, 50/3, 50/4 (DE)
Nominal diameter: 41 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 31 mm · Ø piston pin (B): 12 mm · Outlet type: Union nut · Thread outlet: M35x2 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 51 x 40 · Camouflaged: No · Area of application: Racing
EUR 260.90
Not in stock
Explore categories from Piston
Moped fans also bought
Inox
Hot
GPO license plate holder Inox (CH version)
Manufacturer: GPO · Material: Chrome steel (colloquially known as stainless steel) · Thread type: M5x0.8 (standard thread) · Color: silver · Number of fixing points: 2 pcs · Total length: 145 mm · Width: 105 mm · Height: 5.3 mm · Ø mounting hole: 5 mm · Thread length: 8 mm · Hole spacing: 30 mm · Hole spacing: 50 mm · Mounting type: Nuts & bolts
EUR 12.90
Hot
Fuel tap horizontal M12x1 (with union nut) outgoing at the bottom
Possible lever positions: open / closed / reserve · Thread type: MF12x1 (fine pitch thread) · Material lever: Metal · Filter type: Plastic net · Installation direction: horizontal / horizontal · Outlet direction: below · Spare tube shape: curved · Ø fuel hose connection: 6 mm · Reserve level: 70 mm · Mounting type: Union nut
EUR 11.80
Inner cable Ø 1.2 mm x 200 cm with barrel nipple Ø 6 mm
Ø nipple: 6 mm · Manufacturer: Made in Germany · Area of application: Standard · Material: Brass · Material: Steel · Number of components: 1 pcs · Surface: galvanized (blue) · Ø Stranded wire: 1.2 mm · Nipple shape: Barrel (transverse) · Cable length: 2000 mm · Nipple length: 5.5 mm
EUR 4.05
swiing® revival Silentblock Ø 19.3 x 19 mm | Sachs 50/2 (A1940)
Ø inside: 8.5 mm · Ø outside: 19.3 mm · Manufacturer: swiing® revival parts · Area of application: Standard · Material: Rubber · Material: Steel · Surface: raw · Color: black · Total length: 19 mm · Ø Bundle: 13 mm · Ø Bundle: 15 mm · Waistband height: 1.5 mm · Pony OEM number: A1940 · Sachs OEM no.: 0260 101 000
EUR 8.20
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
