
38 mm replacement piston / piston kit with two pieces of 2 mm rectangular piston rings with flank lock (FS) suitable for the windage-cooled cylinder of Sachs 50/3 & 50/4 mopeds / mopeds with square intake.
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 | 38 mm |
| Ø outside piston (A) | 37.94 mm |
| Compression height (C) | 28 mm |
| Curvature (D) | 2.95 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 | 2 mm |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 73 g |
| Sachs | 50/3 50/4 - MLFB (2.6 PS) , LKH (4.5 PS) |
Accessories & related products
38 mm cylinder kit square inlet | Sachs 50/3, 50/4
Camouflaged: No · Surface: sandblasted · Displacement: 50 ccm · Material: Gray cast iron · Crankshaft stroke: 42 mm · Nominal diameter: 38 mm · Hole spacing inlet: 31 mm · Thread inlet: M5x0.8 (standard thread) · Hole pattern [mm]: 51 x 40 · Ø piston pin (B): 12 mm · Number of fixing points: 4 pcs · Area of application: Tuning · Outlet type: Union nut · Thread outlet: M35x2 (standard thread) · Sachs OEM no.: 0287 120 100
CHF 129.90
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Material: Steel · Total length: 130 mm · Number of components: 7 pcs · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
CHF 19.90
Explore categories from Piston
Moped fans also bought
Magura cable clamp Ø 8 x 15 mm
Manufacturer: Magura · Surface: galvanized (blue) · Surface: nickel-plated · Material: Brass · Material: Steel · Ø Cable bushing: 2.3 mm · Drive: External hexagon · Drive: Slot · Screw head: Hexagon · Ø Bundle: 6 mm · Ø outside: 8 mm · Total length: 15 mm · Thread type: M6x1 (standard thread) · Thread length: 7 mm · Width across flats: 7 mm · Area of application: Standard
CHF 2.50
OMG fuel filter metal 6 mm (removable)
Ø inside: 3.45 mm · Manufacturer: OMG · Material: Glass · Material: Metal · Filter type: Plastic net · demountable: Yes · Total length: 40 mm · Total length: 63 mm · Color: gray · Color: transparent · Color: white · Ø fuel hose connection: 5.6 mm · Ø fuel hose connection: 6 mm · Ø outside: 22 mm
CHF 6.80
swiing® revival seal Float SRE, SRC, SRF, SRA
Manufacturer: swiing® revival parts · Component group Carburetor: Sealing, revising · Material: Sealing paper · 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 · Thickness: 1.5 mm · Ø outside: 45 mm · Pony OEM number: A4519 · Sachs OEM no.: 0950 128 000
CHF 2.80
Magura gas cable clamp / deco cable clamp Ø 5 x 6 mm
Manufacturer: Magura · Surface: nickel-plated · Material: Brass · Material: Steel · Ø Cable bushing: 1.6 mm · Drive: Slot · Screw head: Lens head · Ø outside: 5 mm · Total length: 6 mm · Thread type: M4x0.7 (standard thread) · Number of components: 2 pcs · Thread length: 4 mm
CHF 2.00
GPO ignition plate 90 mm Bosch / DUCATI
Manufacturer: GPO · Material: Aluminum · Tension: 6 V · Cable length: 400 mm · Cable length: 500 mm · Number of cables: 3 pcs · Ø inside: 18.5 mm · Number of fixing points: 4 pcs · Ø bolt circle: 80 mm · Ø outside: 90 mm · Area of application: Original · Area of application: Standard
CHF 74.90
Magura adjusting screw brake short
Manufacturer: Magura · Surface: nickel-plated · Color: silver · Material: Brass · Drive: Knurled screw · Ø shaft: 6.1 mm · Ø External head: 9.15 mm · Total length: 31 mm · Total length: 40 mm · Thread type: MF6x0.75 (fine pitch thread) · Thread length: 15 mm · Shank length: 6.9 mm · Magura OEM number: 315 390
CHF 3.40










