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.
| Manufacturer | AKOA |
| Material | Aluminum |
| Area of application | Tuning |
| Displacement | 54 ccm |
| Crankshaft stroke | 43 mm |
| Nominal diameter | 40 mm |
| Ø cylinder neck | 45.5 mm |
| Number of fixing points | 4 pcs |
| Surface | Nickel silicon carbide (colloquially known as Nikasil) |
| Ø Outlet outside | 25.8 mm |
| Ø outlet inside | 18.5 mm |
| Ø Inlet inside | 14 mm |
| Hole spacing inlet | 32 mm |
| Ø piston pin (B) | 12 mm |
| Hole pattern [mm] | 40 x 60 / 37 x 37 |
| Thread inlet | M6x1 (standard thread) |
| Outlet type | clamped |
| Decompressor | No |
| Sachs | 503 - AAL , ABL , 2AL / 2BL |
Ratings
Accessories & related products
GPO exhaust set cigar Ø 28 / 60 mm chrome | Sachs 503 2AL, 2BL
Manufacturer: GPO · Material: Steel · Color: Chrome · Surface: chrome-plated · Total length: 535 mm · Mounting type: Screwed clamp · Ø Flame tube outside: 28 mm · Exhaust type: Cigar · Flame tube attachment: Plug connection clamped
EUR 114.60
Not in stock
Hot 
swiing® ingenious 15 mm carburetor camouflaged | Sachs 503
Manufacturer: swiing® ingenious parts · Area of application: Tuning · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Material: Aluminum · Carburetor type: SRE · Choke control: Hand choke · Nominal diameter: 15 mm · Nozzle size: 62 · Mounting type: Plug connection clamped · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Total length: 66 mm · Ø Air filter connection: 20 mm · Width: 50 mm · Height: 95 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Vacuum connection: No · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Clamping screw torque (max.): 4 N/m
EUR 91.70
swiing® ingenious 15mm carburetor set HG long | Sachs 503
Nominal diameter: 15 mm · Manufacturer: swiing® ingenious parts · Camouflaged: No · Component group Carburetor: Carburetor complete · Color: black · Carburetor type: SRE · Total length: 66 mm · Total length: 165 mm · Choke control: Hand choke · Width: 50 mm · Width: 68 mm · Height: 52 mm · Height: 95 mm · Hole spacing inlet: 32 mm · Ø Inside entrance: 15 mm · Mounting type: Flange · Mounting type: Plug connection clamped · Ø Output inside: 15 mm · Area of application: Tuning · Ø Air filter connection: 20 mm · Ø Internal connection: 20 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Vacuum connection: No · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m
EUR 194.90
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
BAD ASS Ø 43 mm "Pandora" BigBore tuning cylinder | Sachs 503, 50/2, 502
Manufacturer: BAD ASS · Camouflaged: No · Area of application: Tuning · Material: Gray cast iron · Surface: sandblasted · Crankshaft stroke: 42 mm · Displacement: 63 ccm · Nominal diameter: 43 mm · Ø cylinder neck: 45 mm · Ø Outlet outside: 26 mm · Ø outlet inside: 23 mm · Ø Inlet inside: 19 mm · Hole spacing inlet: 32 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
EUR 367.00
Explore categories from Cylinder
Moped fans also bought
BING O-ring Bing SRE & 85, Ø 20 mm
Place of use: Carburetor · Manufacturer: BING · Material: Rubber · Area of application: Standard · Color: black · Surface: raw · Cord thickness: 1.4 mm · Number of components: 1 pcs · Ø inside: 17.2 mm · Ø outside: 20 mm · Pony OEM number: A4281 · Sachs OEM no.: 0250 160 101
EUR 3.30
NSK BO15 shoulder ball bearing 15/40/10 (A4502)
Stock number: BO15 · 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 · Surface: blank · Bearing type: Shoulder bearing · Ø inside: 15 mm · Ø outside: 40 mm · Width: 10 mm · Pony OEM number: A4502 · Sachs OEM no.: 0932 007 001
EUR 28.60
Hot
swiing® ingenious 15 mm carburetor camouflaged | Sachs 503
Manufacturer: swiing® ingenious parts · Area of application: Tuning · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Material: Aluminum · Carburetor type: SRE · Choke control: Hand choke · Nominal diameter: 15 mm · Nozzle size: 62 · Mounting type: Plug connection clamped · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Total length: 66 mm · Ø Air filter connection: 20 mm · Width: 50 mm · Height: 95 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Vacuum connection: No · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Clamping screw torque (max.): 4 N/m
EUR 91.70
swiing® revival air filter Racing | Sachs 503
Manufacturer: swiing® revival parts · Camouflaged: No · Area of application: Tuning · Material: Plastic · Color: black · Filter type: Racing screen · Mounting type: Plug connection clamped · Ø Internal connection: 20 mm · Total length: 165 mm · Width: 68 mm · Height: 52 mm
EUR 68.70
swiing® ingenious 15 mm intake manifold long version | Sachs 503 2AL, 2BL
Manufacturer: swiing® ingenious parts · Camouflaged: No · Area of application: Tuning · Material: Aluminum · Thread type: M6x1 (standard thread) · Ø External connection: 20 mm · Mounting type: Screws · Ø inside: 15 mm · Hole spacing inlet: 32 mm · Number of fixing points: 2 pcs · Total length: 70 mm · Total height: 80 mm · Height flange center hole: 70 mm · Pony OEM number: A2176
EUR 68.70
swiing® revival ball bearing countershaft | Sachs 50/2, 50/3, 50/4, 503 2AL/2BL (A2531)
Bearing cage: Sheet steel cage ball-guided · Inner ring width: 25.6 mm · Manufacturer: swiing® revival parts · Bearing clearance: CN (standard) · Area of application: High End · Area of application: Standard · Material: Steel · Stock number: E15 · Bearing type: Deep groove ball bearing · Width: 8 mm · Ø inside: 15 mm · Ø outside: 35 mm · Thread type: MF20.8x1 LH (fine/left-hand thread) · Pony OEM number: A2531 · Sachs OEM no.: 0286 079 105
EUR 57.30
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
