Blade-cooled 43 mm (61 cc) cylinder kit with 12 mm piston pin, suitable for your Sachs 50, 502, 50/2, 50/3, 50/4 moped / moped.
The timing of the cylinder was kept rather low, which is characterized by a very nice torque in the lower speed range.
The racing cylinder kit without sealing includes cylinder & piston kit without gaskets.
- Grey cast iron tuning cylinder with & 43.0 mm bore
- Slot-controlled
- 17x15 mm intake, 31 mm stud spacing
- Optimized overflow channels
- 2-piece outlet
- Improved control times
- No spindling of the engine housing necessary (Ø cylinder neck 46.0 mm)
- Exhaust thread: M40 x 1.5 mm
- Hole pattern for stud bolts: 60 x 40 mm for CH engines
- Pre-drilled hole pattern for stud bolts: 51 x 40 mm for DE engines
- Cylinder head hole pattern: 37 x 37 mm
- Incl. Ø 43 mm piston from the Italian manufacturer -GOL-
Note: 60 mm long M6 stud bolts must be used to mount the cylinder. Please observe the installation direction when assembling. The piston is inserted with the arrow pointing towards the outlet on the exhaust side.
Detailed assembly instructions are included.
Corresponding accessories such as gaskets, cylinder head, exhaust system etc. can be found in the accessories section.
Made by the BADASS brand.
| Manufacturer | BAD ASS |
| Material | Gray cast iron |
| Camouflaged | No |
| Displacement | 61 ccm |
| Crankshaft stroke | 42 mm |
| Nominal diameter | 43 mm |
| Ø cylinder neck | 46 mm |
| Ø Outlet outside | 40 mm |
| Ø outlet inside | 28 mm |
| Hole spacing inlet | 31 mm |
| Inlet window | 17 x 15 mm |
| Ø piston pin (B) | 12 mm |
| Number of fixing points | 4 pcs |
| Thread inlet | M5x0.8 (standard thread) |
| Hole pattern [mm] | 60 x 40 / 51 x 40 / 37 x 37 |
| Outlet type | Union nut |
| Thread outlet | MF40x1.5 (fine pitch thread) |
| Area of application | Tuning |
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 hp, DE) 502 (Saxonette) - AL , AML 50/2 - L CH (0.8 PS) , ML CH (0.8 PS) , MB (2.6 PS) , MLB (2.6 PS) 50/3 50/4 - MLFB (2.6 PS) , LKH (4.5 PS) |
Accessories & related products
swiing® revival stud bolt M5 x 23 inlet (diaphragm) 10.9 | Sachs 50/2 (A3700)
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Thread type: M5x0.8 (standard thread) · Total length: 23 mm · Diameter: 4.9 mm · Thread length: 6 mm · Thread length: 12 mm · Nominal diameter (thread): 5 mm · Area of application: Standard · Pony OEM number: A3700 · Sachs OEM no.: 0640 016 101 · Sachs OEM no.: 0640 016 102
CHF 1.80
swiing® revival bolt set cylinder head galvanized | Sachs 503 / 50/2 / 50/3 / 50/4
Material: Steel · Manufacturer: swiing® revival parts · Surface: galvanized (blue) · Color: silver · Number of components: 12 pcs · Nominal diameter (thread): 6 mm · Total length: 34 mm · Screw head: Hexagon · Drive: External hexagon · Shank: Yes · Ø shaft: 5.85 mm · Shank length: 8 mm · Thread type: M6x1 (standard thread) · Width across flats: 10 mm · Strength class: 10.9 · Thread length: 22 mm · Area of application: Standard
CHF 4.90
swiing® ingenious gasket cylinder head 41 mm | Sachs 503, 502, 50/2, 50/3, 50/4
Manufacturer: swiing® ingenious parts · Thickness: 0.3 mm · Material: Aluminum · Nominal diameter: 41 mm · Ø cylinder: 41 mm · Place of use: Cylinder head · Area of application: Standard · Hole pattern [mm]: 37 x 37 · Ø inside: 41.7 mm
CHF 4.90
swiing® ingenious 41 mm cylinder head tuning | Sachs 50/2, 50/3, 50/4
Manufacturer: swiing® ingenious parts · Number of fixing points: 4 pcs · Material: Aluminum · Surface: sandblasted · Ø cylinder: 41 mm · Width: 95 mm · Height: 50 mm · Total length: 127 mm · Ø outside: 98 mm · Ø screw holder: 19 mm · Hole pattern [mm]: 37 x 37 · Candle thread: long · Area of application: Standard · Decompressor: M10x1.5
CHF 68.50
BAD ASS cylinder head L Ø 41-43 mm | Sachs 502, 50/2, 50/3, 50/4
Manufacturer: BAD ASS · Material: Aluminum · Ø cylinder: 41 - 43 mm · Ø outside: 108 mm · Number of fixing points: 1 pcs · Number of fixing points: 4 pcs · Ø screw holder: 19.3 mm · Hole pattern [mm]: 37 x 37 · Decompressor: M10x1.5 · Area of application: Tuning
CHF 149.90
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swiing® revival exhaust nut M40x1.5 galvanized (for 32 mm pipe) | Sachs
Ø inside: 33.5 mm · Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Thread type: MF40x1.5 (fine pitch thread) · Nut type: Union nut · Ø outside: 46 mm · Height: 19 mm · Nominal diameter (thread): 40 mm
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swiing® revival carburetor 17 mm Bing SSB 1/17/69
Material: Aluminum · Manufacturer: swiing® revival parts · Camouflaged: No · Component group Carburetor: Carburetor complete · Carburetor type: SSB · Width: 85 mm · Height: 100 mm · Nominal diameter: 17 mm · Total length: 132 mm · Hole spacing inlet: 31 mm · Nozzle size: 76 · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: without choke · Mounting type: Flange · Area of application: Standard · Area of application: Tuning
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BAD ASS cylinder head L Ø 41-43 mm | Sachs 502, 50/2, 50/3, 50/4
Manufacturer: BAD ASS · Material: Aluminum · Ø cylinder: 41 - 43 mm · Ø outside: 108 mm · Number of fixing points: 1 pcs · Number of fixing points: 4 pcs · Ø screw holder: 19.3 mm · Hole pattern [mm]: 37 x 37 · Decompressor: M10x1.5 · Area of application: Tuning
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