Fan-cooled 41 mm tuning cylinder with a square intake, suitable for your small motorcycle equipped with a Sachs 50/3 (DE) or 50/4 (DE) engine with large fan cooling.
The cylinder is suitable for Sachs 3- and 4-speed engines, which were installed in models such as the Hercules 50/3 LS, 50/4 LKH, Gritzner, and other small motorcycles. The square inlet is designed for use with a 17 mm Bing SSB carburetor.
Exhaust thread: M40x1.5 mm
Note: The cylinder is shipped loose and does not include a piston, gasket set, studs, or other mounting parts.
You can find the matching 17 mm Bing SSB carburetor and other mounting parts in the accessories section.
A good, affordable standard replacement part. GPO – GOOD PARTS ONLY.
| Manufacturer | GPO |
| Material | Gray cast iron |
| Displacement | 55 ccm |
| Crankshaft stroke | 42 mm |
| Nominal diameter | 41 mm |
| Hole spacing inlet | 31 mm |
| Camouflaged | No |
| Number of fixing points | 4 pcs |
| Outlet type | Union nut |
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 hp, DE) 50/3 50/4 - MLFB (2.6 PS) , LKH (4.5 PS) |
Accessories & related products
Carburetor 17 mm Bing SSB 1/17/69 reproduction
Material: Aluminum · Component group Carburetor: Carburetor complete · Nominal diameter: 17 mm · Carburetor type: SSB · Hole spacing inlet: 31 mm · Nozzle thread: MF7x0.75 (fine pitch thread) · Camouflaged: No · Mounting type: Stud bolts & nuts · Nozzle size: 76 · Total length: 116 mm · Ø fuel hose connection: 6.2 mm · Mixed oil connection: No · Width: 86 mm · Vacuum connection: Yes · Height: 99 mm · Choke control: without choke · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m · Area of application: Standard · Area of application: Tuning
94,00 EUR
swiing® revival Stud Bolt, M5x26, Galvanized (Grade 10.9) | Sachs (A1474)
Thread type: M5x0.8 (standard thread) · Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Nominal diameter (thread): 5 mm · Total length: 26 mm · Thread length: 7 mm · Thread length: 14 mm · Strength class: 10.9 · Pony OEM number: A1474 · Sachs OEM no.: 0241 031 101
2,10 EUR
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 · 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) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Thick piston ring: 1.8 mm · Weight piston kit: 86 g
46,90 EUR
NC-Motorparts 41 mm Cylinder Head Tuning | Sachs 50/3, 50/4 LKH
Manufacturer: NCMotorparts · Material: Aluminum · Surface: sandblasted · Ø cylinder: 41 mm · Camouflaged: Yes · Number of fixing points: 4 pcs · Ø outside: 128 mm · Hole pattern [mm]: 37 x 37 · Candle thread: long · Decompressor: No · Area of application: Tuning
114,00 EUR
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swiing® revival Stud Bolt, M5x26, Galvanized (Grade 10.9) | Sachs (A1474)
Thread type: M5x0.8 (standard thread) · Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Nominal diameter (thread): 5 mm · Total length: 26 mm · Thread length: 7 mm · Thread length: 14 mm · Strength class: 10.9 · Pony OEM number: A1474 · Sachs OEM no.: 0241 031 101
2,10 EUR
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 · 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) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Thick piston ring: 1.8 mm · Weight piston kit: 86 g
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swiing® revival carburetor 17 mm Bing SSB 1/17/69
Manufacturer: swiing® revival parts · Material: Aluminum · Component group Carburetor: Carburetor complete · Nominal diameter: 17 mm · Carburetor type: SSB · Hole spacing inlet: 31 mm · Mounting type: Flange · Camouflaged: No · Nozzle size: 76 · Total length: 132 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Width: 85 mm · Vacuum connection: No · Height: 100 mm · Choke control: without choke · Area of application: Standard · Area of application: Tuning
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GPO 41 mm cylinder kit square inlet | Sachs 50/3, 50/4 LKH
Nominal diameter: 41 mm · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 55 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: MF40x1.5 (fine pitch thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 51 x 40 · Camouflaged: No · Area of application: Tuning
179,90 EUR
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