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.
The piston kit contains piston pins, piston clips and piston rings.
Corresponding assembly tools, piston rings, piston pin retainers etc. can be found under accessories.
Original Sachs spare part number: 0290 058 025
| Nominal diameter | 38 mm |
| Ø outside piston (A) | 37.94 mm |
| Ø piston pin (B) | 12 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 |
| Weight piston kit | 73 g |
| Sachs | 50/3 50/4 - MLFB (2.6 PS), LKH (4.5 PS) |
Ratings
Accessories & related products
38 mm cylinder kit square inlet | Sachs 50/3, 50/4
Nominal diameter: 38 mm · Material: Gray cast iron · Surface: sandblasted · Area of application: Tuning · Displacement: 50 ccm · Crankshaft stroke: 42 mm · Number of fixing points: 4 pcs · Thread inlet: M5x0.8 (standard thread) · Hole pattern [mm]: 51 x 40 · Hole spacing inlet: 31 mm · Ø piston pin (B): 12 mm · Outlet type: Union nut · Thread outlet: M35x2 (standard thread) · Camouflaged: No
EUR 148.80
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm · Number of components: 7 pcs · Area of application: (Dis)assembly tool
EUR 22.80
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 outside: 8 mm · Ø Cable bushing: 2.3 mm · Drive: External hexagon · Drive: Slot · Total length: 15 mm · Screw head: Hexagon · Thread type: M6x1 (standard thread) · Ø Bundle: 6 mm · Width across flats: 7 mm · Thread length: 7 mm · Area of application: Standard
EUR 2.85
OMG fuel filter metal 6 mm (removable)
Manufacturer: OMG · Material: Glass · Material: Metal · Filter type: Plastic net · Ø outside: 22 mm · demountable: Yes · Ø inside: 3.45 mm · Color: gray · Color: transparent · Color: white · Ø fuel hose connection: 5.6 mm · Ø fuel hose connection: 6 mm · Total length: 40 mm · Total length: 63 mm
EUR 7.80
swiing® revival seal Float SRE, SRC, SRF, SRA
Manufacturer: swiing® revival parts · Material: Sealing paper · Component group Carburetor: Sealing, revising · Surface: blank · Thickness: 1.5 mm · Ø inside: 41 mm · Ø outside: 45 mm · Carburetor type: SRA (1/11/31) Velux · Carburetor type: SRA (1/11/35) Velux · Carburetor type: SRC · Carburetor type: SRE · Carburetor type: SRF · Pony OEM number: A4519 · Sachs OEM no.: 0950 128 000
EUR 3.20
Magura gas cable clamp / deco cable clamp Ø 5 x 6 mm
Manufacturer: Magura · Material: Brass · Material: Steel · Surface: nickel-plated · Ø outside: 5 mm · Ø Cable bushing: 1.6 mm · Drive: Slot · Total length: 6 mm · Screw head: Lens head · Thread type: M4x0.7 (standard thread) · Thread length: 4 mm · Number of components: 2 pcs
EUR 2.30
GPO ignition plate 90 mm Bosch / DUCATI
Manufacturer: GPO · Material: Aluminum · Number of cables: 3 pcs · Ø inside: 18.5 mm · Ø outside: 90 mm · Tension: 6 V · Ø bolt circle: 80 mm · Cable length: 400 mm · Cable length: 500 mm · Area of application: Original · Area of application: Standard · Number of fixing points: 4 pcs
EUR 85.80
Magura adjusting screw brake short
Manufacturer: Magura · Material: Brass · Surface: nickel-plated · Color: silver · Drive: Knurled screw · Total length: 31 mm · Total length: 40 mm · Thread type: MF6x0.75 (fine pitch thread) · Ø shaft: 6.1 mm · Ø External head: 9.15 mm · Thread length: 15 mm · Shank length: 6.9 mm
EUR 3.90
Collection only possible with online purchase and appointment.
