41 mm tuning cylinder with round slotted 12 mm intake for Sachs 2-, 3- and 4-speed engines with blower clutch, which were installed on Hercules 50/ALS, 50/2 S, 50/KS, 50/2 DK, 50/3 LS, 50/4 LKS, Gritzner, etc.
.The smaller cooling fins make it easier to fit the cylinder kit to a Swiss Sachs 50/2 (502) engine, as the blower cover can be fitted without any adjustments. However, adjustments in the area of the stud bolt holes are essential.
Manufacturer: GPO · Nominal diameter: 41 mm · Ø outside piston (A): 40.94 mm · Ø piston pin (B): 12 mm · Compression height (C): 28 mm · Curvature (D): 3.2 mm · Total piston height (E): 49.4 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Thick piston ring: 1.8 mm · Weight piston kit: 86 g
Manufacturer: GPO · Material: Gray cast iron · Nominal diameter: 41 mm · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Hole spacing inlet: 31 mm · Outlet type: Union nut · Camouflaged: No · Number of fixing points: 4 pcs · Area of application: Tuning, Racing
Hole pattern [mm]: 51 x 40 mm · Number of components: 4 pcs · Hole spacing inlet: 31 mm · Ø outlet inside: 28 - 32 mm · Area of application: Standard, Tuning
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Thread type: M5x0.8 (standard thread) · Total length: 26 mm · Thread length: 14 mm, 7 mm · Strength class: 10.9 · Pony OEM number: A1474 · Sachs OEM no.: 0241 031 101 · Nominal diameter (thread): 5 mm
Place of use: Admission · Thickness: 5 mm · Ø inside: 11.8 mm · Hole spacing inlet: 31 mm · Pony OEM number: A1823 · Sachs OEM no.: 0250 085 000 · Manufacturer: GPO · Material: Sealing paper, Polyamide (PA)
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 hp, DE) 502 (Saxonette) 50/3 50/4 - MLFB (2.6 PS) , LKH (4.5 PS) |
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GPO piston 40.94 mm | Sachs 502, 50/2, 50/3, 50/4
Manufacturer: GPO · Nominal diameter: 41 mm · Ø outside piston (A): 40.94 mm · Ø piston pin (B): 12 mm · Compression height (C): 28 mm · Curvature (D): 3.2 mm · Total piston height (E): 49.4 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Thick piston ring: 1.8 mm · Weight piston kit: 86 g
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GPO piston 40.94 mm | Sachs 502, 50/2, 50/3, 50/4
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