Cylinder cover with decompressor bore and 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.
| Ø outside | 84 mm |
| Manufacturer | AKOA |
| Area of application | Tuning |
| Material | Aluminum |
| Height | 29 mm |
| Ø cylinder | 41 mm |
| Number of fixing points | 4 pcs |
| Candle thread | short |
| Hole pattern [mm] | 37 x 37 |
| Decompressor | M10x1.5 |
| 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 221.40
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 276.80
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) · Thread length: 14 mm · Ø outside: 14 mm · Total length: 21.5 mm · Width across flats: 14 mm · Area of application: Standard · Sachs OEM no.: 0291 013 300
EUR 61.40
AKOA 41 mm cylinder head "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Ø outside: 84 mm · Manufacturer: AKOA · Height: 29 mm · Area of application: Tuning · Material: Aluminum · Ø cylinder: 41 mm · Candle thread: short · Hole pattern [mm]: 37 x 37 · Decompressor: No · Number of fixing points: 4 pcs
EUR 61.40
AKOA 41 mm cylinder kit "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Camouflaged: No · Area of application: Tuning · Material: Aluminum · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Crankshaft stroke: 43 mm · Displacement: 57 ccm · Ø piston pin (B): 12 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 · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped · Decompressor: No · Number of fixing points: 4 pcs · Hole spacing inlet: 32 mm
EUR 221.40
AKOA 41 mm cylinder kit "Power-Edition" with head (selection) | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Camouflaged: No · Area of application: Tuning · Material: Aluminum · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Crankshaft stroke: 43 mm · Displacement: 57 ccm · Ø piston pin (B): 12 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 · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped · Number of fixing points: 4 pcs · Hole spacing inlet: 32 mm
EUR 258.30
Explore categories from Cylinder
Moped fans also bought
Hot 
GPO flywheel trigger M26x1.5 / M22x1.5 | Puch, Sachs, Tomos, Beta 521
Total length: 55 mm · Total length: 75 mm · Width across flats trigger: 27 mm · Width across flats Screw: 19 mm · Manufacturer: GPO · Clamping depth: 10 mm · Material: Steel · Number of components: 1 pcs · Surface: blackened · Thread type: MF22x1.5 (fine pitch thread) · Thread type: MF26x1.5 (fine pitch thread) · Strength class: 8.8 · Area of application: (Dis)assembly tool
EUR 12.20
Not in stock
BING O-ring Bing SRE & 85, Ø 20 mm
Ø inside: 17.2 mm · Ø outside: 20 mm · Manufacturer: BING · Area of application: Standard · Color: black · Material: Rubber · Surface: raw · Number of components: 1 pcs · Cord thickness: 1.4 mm · Place of use: Carburetor · Pony OEM number: A4281 · Sachs OEM no.: 0250 160 101
EUR 3.55
NSK BO15 shoulder ball bearing 15/40/10 (A4502)
Bearing type: Shoulder bearing · Stock number: BO15 · Ø inside: 15 mm · Ø outside: 40 mm · Inner ring width: 10 mm · Manufacturer: NSK · Ball bearing closed: No · Bearing cage: Brass cage ball-guided · Area of application: Standard · Material: Brass · Material: Steel · Width: 10 mm · Pony OEM number: A4502 · Sachs OEM no.: 0932 007 001
EUR 30.60
GPO piston 40.94 mm | Sachs 502, 50/2, 50/3, 50/4
Nominal diameter: 41 mm · Manufacturer: GPO · Ø outside piston (A): 40.94 mm · Ø piston pin (B): 12 mm · Compression height (C): 28 mm · Curvature (D): 3.2 mm · Total piston height (E): 49.4 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Thick piston ring: 1.8 mm · Weight piston kit: 86 g
EUR 49.10
Not in stock
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 221.40
Not in stock
AKOA 41 mm cylinder kit "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Camouflaged: No · Area of application: Tuning · Material: Aluminum · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Crankshaft stroke: 43 mm · Displacement: 57 ccm · Ø piston pin (B): 12 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 · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped · Decompressor: No · Number of fixing points: 4 pcs · Hole spacing inlet: 32 mm
EUR 221.40
AKOA 41 mm cylinder kit "Power-Edition" with head (selection) | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Camouflaged: No · Area of application: Tuning · Material: Aluminum · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Crankshaft stroke: 43 mm · Displacement: 57 ccm · Ø piston pin (B): 12 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 · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 40 x 60 / 37 x 37 · Outlet type: clamped · Number of fixing points: 4 pcs · Hole spacing inlet: 32 mm
EUR 258.30
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
