Cylinder cover with decompressor bore and a combustion chamber diameter of 40 mm suitable for your moped / moped with Sachs 503 2AL, AAL, 2BL, ABL CH engine.
The flat milled head is cleanly finished and fits both bored-out original Sachs cylinders and tuning cylinders with a diameter of 40 mm. The internal geometry of the tuning cylinder head is adapted to the piston for the AKOA 54 cc cylinder kit in the "Power Edition". The combustion chamber has been slightly reduced in size compared to the previous model and the squeeze band has been slightly raised.
| Manufacturer | AKOA |
| Material | Aluminum |
| Ø cylinder | 40 mm |
| Ø outside | 84 mm |
| Height | 29 mm |
| Candle thread | short |
| Number of fixing points | 4 pcs |
| Hole pattern [mm] | 37 x 37 |
| Decompressor | M10x1.5 |
| Area of application | Tuning |
| Sachs | 503 - AAL , ABL , 2AL / 2BL |
Ratings
Accessories & related products
swiing® ingenious decompressor set | Sachs 503
Manufacturer: swiing® ingenious parts · Material: Aluminum · Material: Chrome steel (colloquially known as stainless steel) · Material: Copper · Material: Steel · Thread type: M10x1.5 (standard thread) · Ø outside: 14 mm · Width across flats: 14 mm · Area of application: Standard · Total length: 21.5 mm · Thread length: 14 mm · Sachs OEM no.: 0291 013 300
EUR 65.30
AKOA 40 mm cylinder head "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Ø outside: 84 mm · Height: 29 mm · Material: Aluminum · Area of application: Tuning · Ø cylinder: 40 mm · Hole pattern [mm]: 37 x 37 · Candle thread: short · Decompressor: No · Number of fixing points: 4 pcs
EUR 57.30
AKOA 40 mm cylinder kit "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Material: Aluminum · Area of application: Tuning · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 54 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 40 mm · Ø cylinder neck: 45.5 mm · Ø Outlet outside: 25.9 mm · Ø outlet inside: 20.5 mm · Ø Inlet inside: 15.8 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Hole spacing inlet: 32 mm · Decompressor: No · Ø piston pin (B): 12 mm · Number of fixing points: 4 pcs · Outlet type: clamped · Camouflaged: No
EUR 206.40
AKOA 40 mm cylinder kit "Power-Edition" with head (selection) | Sachs 503 2AL, AAL, 2BL, ABL
Nominal diameter: 40 mm · Manufacturer: AKOA · Material: Aluminum · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 54 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 45.5 mm · Ø Outlet outside: 25.9 mm · Ø outlet inside: 20.5 mm · Ø Inlet inside: 15.8 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Number of fixing points: 4 pcs · Hole pattern [mm]: 40 x 60 / 37 x 37 · Camouflaged: No · Area of application: Tuning
EUR 240.80
Explore categories from Cylinder
Moped fans also bought
Hot 
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Nipple shape: Cylinder · Ø nipple: 3 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Ø Stranded wire: 1.25 mm · Cable length: 2200 mm · Nipple length: 5 mm · Number of components: 1 pcs · Area of application: Standard
EUR 2.75
swiing® ingenious decompressor M10x1.5 | Sachs 503
Width across flats: 14 mm · Manufacturer: swiing® ingenious parts · Ø outside: 14 mm · Area of application: Standard · Material: Steel · Thread type: M10x1.5 (standard thread) · Total length: 21.5 mm · Thread length: 14 mm · Pony OEM number: A3030D · Sachs OEM no.: 0291 013 300
EUR 43.50
swiing® ingenious decompressor set | Sachs 503
Manufacturer: swiing® ingenious parts · Material: Aluminum · Material: Chrome steel (colloquially known as stainless steel) · Material: Copper · Material: Steel · Thread type: M10x1.5 (standard thread) · Ø outside: 14 mm · Width across flats: 14 mm · Area of application: Standard · Total length: 21.5 mm · Thread length: 14 mm · Sachs OEM no.: 0291 013 300
EUR 65.30
AKOA 40 mm cylinder kit "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Material: Aluminum · Area of application: Tuning · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 54 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 40 mm · Ø cylinder neck: 45.5 mm · Ø Outlet outside: 25.9 mm · Ø outlet inside: 20.5 mm · Ø Inlet inside: 15.8 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Hole spacing inlet: 32 mm · Decompressor: No · Ø piston pin (B): 12 mm · Number of fixing points: 4 pcs · Outlet type: clamped · Camouflaged: No
EUR 206.40
AKOA 40 mm cylinder kit "Power-Edition" with head (selection) | Sachs 503 2AL, AAL, 2BL, ABL
Nominal diameter: 40 mm · Manufacturer: AKOA · Material: Aluminum · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 54 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 45.5 mm · Ø Outlet outside: 25.9 mm · Ø outlet inside: 20.5 mm · Ø Inlet inside: 15.8 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Number of fixing points: 4 pcs · Hole pattern [mm]: 40 x 60 / 37 x 37 · Camouflaged: No · Area of application: Tuning
EUR 240.80
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
