
Complete 41 mm aluminum tuning cylinder with a nickel-silicon carbide coating (colloquially known as Nikasil) and square inlet for small engine wheels with Sachs 3- and 4-speed engines with foot shift. These engines were installed on Hercules 50/3 LS 50/4 LKH, Gritzner etc.
| Nominal diameter | 41 mm |
| Manufacturer | Power1 |
| Material | Aluminum |
| Surface | Nickel silicon carbide (colloquially known as Nikasil) |
| Displacement | 57 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 44 mm |
| Hole spacing inlet | 31 mm |
| Inlet window | 16 x 18 |
| Thread inlet | M5x0.8 (standard thread) |
| 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 / 37 x 37 |
| Camouflaged | No |
| Area of application | Tuning |
| Sachs | 50/3 50/4 - MLFB (2.6 PS), LKH (4.5 PS) |
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