
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 |
| Ø piston pin (B) | 12 mm |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 2 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
Material: Gray cast iron · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 42 mm · Nominal diameter: 38 mm · Hole spacing inlet: 31 mm · Thread inlet: M5x0.8 (standard thread) · Outlet type: Union nut · Ø piston pin (B): 12 mm · Camouflaged: No · Thread outlet: M35x2 (standard thread) · Number of fixing points: 4 pcs · Area of application: Tuning · Hole pattern [mm]: 51 x 40 · Sachs OEM no.: 0287 120 100
EUR 152,90
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Total length: 130 mm · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats: 10 mm · Width across flats: 17 mm · Number of components: 7 pcs · Area of application: (Dis)assembly tool
EUR 23,40
Explore categories from Piston
Moped fans also bought
Magura cable clamp Ø 8 x 15 mm
Manufacturer: Magura · Material: Brass · Material: Steel · Surface: galvanized (blue) · Surface: nickel-plated · Ø Cable bushing: 2.3 mm · Ø Bundle: 6 mm · Screw head: Hexagon · Total length: 15 mm · Thread type: M6x1 (standard thread) · Thread length: 7 mm · Drive: External hexagon · Drive: Slot · Width across flats: 7 mm · Ø outside: 8 mm · Area of application: Standard
EUR 2,95
OMG fuel filter metal 6 mm (removable)
Manufacturer: OMG · Material: Glass · Material: Metal · Color: gray · Color: transparent · Color: white · Filter type: Plastic net · demountable: Yes · Ø fuel hose connection: 5.6 mm · Ø fuel hose connection: 6 mm · Ø outside: 22 mm · Ø inside: 3.45 mm · Total length: 40 mm · Total length: 63 mm
EUR 8,00
swiing® revival seal Float SRE, SRC, SRF, SRA
Manufacturer: swiing® revival parts · Component group Carburetor: Sealing, revising · Material: Sealing paper · Ø inside: 41 mm · Carburetor type: SRA (1/11/31) Velux · Carburetor type: SRA (1/11/35) Velux · Carburetor type: SRC · Carburetor type: SRE · Carburetor type: SRF · Ø outside: 45 mm · Thickness: 1.5 mm · Pony OEM number: A4519 · Sachs OEM no.: 0950 128 000
EUR 3,30
Magura Gas/Deco Cable Clamp, Ø 5 x 6 mm
Manufacturer: Magura · Material: Brass · Material: Steel · Surface: nickel-plated · Number of components: 2 pcs · Ø Cable bushing: 1.6 mm · Drive: Slot · Total length: 6 mm · Screw head: Lens head · Thread type: M4x0.7 (standard thread) · Ø outside: 5 mm · Thread length: 4 mm
EUR 2,35
GPO ignition plate 90 mm Bosch / DUCATI
Manufacturer: GPO · Material: Aluminum · Tension: 6 V · Ø inside: 18.5 mm · Ø outside: 90 mm · Number of cables: 3 pcs · Ø bolt circle: 80 mm · Cable length: 400 mm · Cable length: 500 mm · Number of fixing points: 4 pcs · Area of application: Original · Area of application: Standard
EUR 88,10
Magura adjusting screw brake short
Manufacturer: Magura · Material: Brass · Surface: nickel-plated · Color: silver · Total length: 31 mm · Total length: 40 mm · Thread type: MF6x0.75 (fine pitch thread) · Ø External head: 9.15 mm · Thread length: 15 mm · Drive: Knurled screw · Ø shaft: 6.1 mm · Shank length: 6.9 mm · Magura OEM number: 315 390
EUR 4,00
Flat nut M21x1 LH clutch | Sachs 50/2, 503 AB/ABL/2AL/2BL (A1504)
Nut type: Hexagon flat nut · Thread type: MF21x1 LH (fine/left-hand thread) · Drive: External hexagon · Nominal diameter (thread): 21 mm · Width across flats: 26 mm · Pony OEM number: A1504 · Sachs OEM no.: 0242 030 005 · Sachs OEM no.: 0242 030 105
EUR 8,85
Not in stock











