38 mm replacement piston with two rectangular piston rings with flank lock (FS) suitable for bladed pistons
Nominal diameter | 38 mm |
Manufacturer | GPO |
Ø outside piston (A) | 37.94 mm |
Compression height (C) | 27.5 mm |
Curvature (D) | 3.5 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 | 1.7 mm |
Thick piston ring | 2 mm |
Piston weight | 78 g |
Alternative version of the Sachs OEM number | 0290 058 025 |
Sachs | 50/3 50/4 - MLFB (2.6 PS), LKH (4.5 PS) |
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 · Total length: 130 mm · Number of components: 7 pcs · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Area of application: (Dis)assembly tool
23,30 EUR
Moped fans also bought
swiing® revival stud bolt M5 x 23 mm inlet (diaphragm) 10.9 | Sachs 50/2 (A3700)
Total length: 23 mm · Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Area of application: Standard · Diameter: 4.9 mm · Thread type: M5x0.8 (standard thread) · Thread length: 6 mm · Thread length: 12 mm · Pony OEM number: A3700 · Sachs OEM no.: 0640 016 101 · Sachs OEM no.: 0640 016 102
2,10 EUR
swiing® revival stud bolt inlet M5x26 mm galvanized (strength 10.9) | Sachs (A1474)
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Total length: 26 mm · Thread type: M5x0.8 (standard thread) · Thread length: 7 mm · Strength class: 10.9 · Thread length: 14 mm · Pony OEM number: A1474 · Sachs OEM no.: 0241 031 101
2,10 EUR
swiing® revival ball bearing countershaft | Sachs 50/2, 50/3, 50/4, 503 2AL/2BL (A2531)
Bearing type: Deep groove ball bearing · Stock number: E15 · Inner ring width: 25.6 mm · Manufacturer: swiing® revival parts · Bearing clearance: CN (standard) · Bearing cage: "-" Sheet steel cage ball-guided · Material: Steel · Area of application: High End · Thread type: MF20.8x1 LH (fine/left-hand thread) · Area of application: Standard · Width: 8 mm · Ø inside: 15 mm · Ø outside: 35 mm · Pony OEM number: A2531 · Sachs OEM no.: 0286 079 105
58,50 EUR
GPO 38 mm cylinder kit diaphragm | Sachs 50/2, 50/3, 50/4 fan-cooled (DE)
Nominal diameter: 38 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 42 mm · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 67 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 / 37 x 37 · Camouflaged: No · Area of application: Tuning
167,50 EUR
GPO 38 mm cylinder kit slotted | Sachs 50/2, 50/3, 50/4 fan-cooled (DE)
Nominal diameter: 38 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 50 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 / 37 x 37 · Camouflaged: No · Area of application: Tuning
140,50 EUR