40 mm tuning cylinder made of aluminum with 54 cc displacement suitable for mopeds / mopeds with Sachs 503 2AL, AAL, 2BL, ABL CH engine.
The racing kit offers a performance increase over the entire engine speed range, with a focus on low engine speeds and torque. Compared to the original cylinder, this racing cylinder has had the seal removed and the intake enlarged. The overflow channels have also been enlarged and the piston skirt has been optimized to improve the timing. The exhaust port has also been designed at a favorable flow angle.
| Nominal diameter | 40 mm |
| Manufacturer | AKOA |
| Material | Aluminum |
| Area of application | Tuning |
| Surface | Nickel silicon carbide (colloquially known as Nikasil) |
| Displacement | 54 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 45.5 mm |
| Ø Outlet outside | 25.8 mm |
| Ø outlet inside | 18.5 mm |
| Ø Inlet inside | 14 mm |
| Hole spacing inlet | 32 mm |
| Hole pattern [mm] | 40 x 60 / 37 x 37 |
| Thread inlet | M6x1 (standard thread) |
| Number of fixing points | 4 pcs |
| Ø piston pin (B) | 12 mm |
| Decompressor | No |
| Outlet type | clamped |
| Sachs | 503 - AAL , ABL , 2AL / 2BL |
Ratings
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