Cylinder cover without decompressor bore with a combustion chamber diameter of 41 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 original Sachs cylinders and tuning cylinders with a diameter of 41 mm. The internal geometry of the tuning cylinder head is adapted to the piston for the AKOA 57 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 | 41 mm |
| Ø outside | 84 mm |
| Height | 29 mm |
| Candle thread | short |
| Number of fixing points | 4 pcs |
| Hole pattern [mm] | 37 x 37 |
| Decompressor | No |
| Area of application | Tuning |
| Sachs | 503 - AAL , ABL , 2AL / 2BL |
Ratings
Accessories & related products
GPO 41 mm "Pomodoro" cylinder kit | Sachs 503
Nominal diameter: 41 mm · Manufacturer: GPO · Material: Gray cast iron · Displacement: 57 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø outlet inside: 22 mm · Ø Inlet inside: 19 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Hole pattern [mm]: 40 x 60 / 37 x 37 · Area of application: Tuning
EUR 206.40
Not in stock
BAD ASS Ø 41 mm "Pandora" tuning cylinder | Sachs 503, 50/2, 502
Nominal diameter: 41 mm · Manufacturer: BAD ASS · Material: Gray cast iron · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø outlet inside: 23 mm · Ø Inlet inside: 19 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 258.00
AKOA 41 mm cylinder head for decovalve | Sachs 503 2AL, AAL, 2BL, ABL
Ø outside: 84 mm · Manufacturer: AKOA · Material: Aluminum · Height: 29 mm · Number of fixing points: 4 pcs · Ø cylinder: 41 mm · Candle thread: short · Hole pattern [mm]: 37 x 37 · Decompressor: M10x1.5 · Area of application: Tuning
EUR 68.70
AKOA 41 mm cylinder kit "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Material: Aluminum · Camouflaged: No · Area of application: Tuning · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 57 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 41 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 · Number of fixing points: 4 pcs · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped · Decompressor: No · Hole spacing inlet: 32 mm
EUR 206.40
AKOA 41 mm cylinder kit "Power-Edition" with head (selection) | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Material: Aluminum · Camouflaged: No · Area of application: Tuning · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 57 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 41 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 · Number of fixing points: 4 pcs · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped · Hole spacing inlet: 32 mm
EUR 240.80
Explore categories from Cylinder
Moped fans also bought
GPO mushroom air filter grille, Bing SRE (Ø=20 mm)
Ø outside: 61 mm · Manufacturer: GPO · Material: Metal · Camouflaged: No · Material: Rubber · Area of application: Tuning · Color: Chrome · Color: black · Filter type: Grille · Total length: 113 mm · Ø Internal connection: 20 mm · Length rubber part: 63.5 mm · Length of filter section: 49 mm · Mounting type: Bride · Mounting type: Plug connection clamped
EUR 14.80
- 16 %
Hot 
swiing® ingenious 17 mm SRF carburetor camouflaged | Sachs 503, Puch Velux
Total length: 61.5 mm · Nominal diameter: 17 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Mounting type: Plug connection clamped · Carburetor type: SRF · Ø Internal connection: 23 mm · Height: 89 mm · Height: 112 mm · Ø Inside entrance: 17 mm · Width: 47 mm · Ø Output inside: 17.1 mm · Ø Air filter connection: 23 mm · Ø fuel hose connection: 5 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.2 · Nozzle size: 74 · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m · Area of application: Tuning
EUR 137.60
EUR 114.60
Hot
swiing® ingenious intake manifold 17 mm short version | Sachs 503 2AL, 2BL
Ø inside: 17 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Hole spacing inlet: 32 mm · Total length: 50 mm · Ø External connection: 23 mm · Number of fixing points: 2 pcs · Thread type: M6x1 (standard thread) · Area of application: Racing · Area of application: Tuning · Alternative version of the Pony OEM number: A2177
EUR 57.30
AKOA 41 mm cylinder kit "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Material: Aluminum · Camouflaged: No · Area of application: Tuning · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 57 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 41 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 · Number of fixing points: 4 pcs · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped · Decompressor: No · Hole spacing inlet: 32 mm
EUR 206.40
AKOA 41 mm cylinder kit "Power-Edition" with head (selection) | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Material: Aluminum · Camouflaged: No · Area of application: Tuning · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 57 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 41 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 · Number of fixing points: 4 pcs · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped · Hole spacing inlet: 32 mm
EUR 240.80
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
