
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 |
| 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 | 25.8 mm |
| Ø outlet inside | 18.5 mm |
| Ø Inlet inside | 14 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 |
| Area of application | Tuning |
| Hole pattern [mm] | 40 x 60 / 37 x 37 |
| Decompressor | No |
| Sachs | 503 - AAL, ABL, 2AL / 2BL |
Accessories & related products
GPO exhaust set cigar Ø 28 / 60 mm chrome | Sachs 503 2AL, 2BL
Manufacturer: GPO · Material: Steel · Surface: chrome-plated · Color: Chrome · Ø Flame tube outside: 28 mm · Total length: 535 mm · Exhaust type: Cigar · Mounting type: Screwed clamp · Flame tube attachment: Plug connection clamped
EUR 121.30
swiing® ingenious 15 mm carburetor camouflaged | Sachs 503
Nominal diameter: 15 mm · Material: Aluminum · Total length: 66 mm · Height: 95 mm · Manufacturer: swiing® ingenious parts · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Width: 50 mm · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Ø fuel hose connection: 6 mm · Mounting type: Plug connection clamped · Nozzle size: 62 · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Area of application: Tuning · Mixed oil connection: No · Vacuum connection: No · Nozzle block: 2.17 · Camouflaged: Yes · Clamping screw torque (max.): 4 N/m
EUR 97.00
EUR 87.30
swiing® ingenious tuning set 40 mm | Sachs 503 (fan-cooled)
Manufacturer: GPO · Manufacturer: NGK · Manufacturer: swiing® ingenious parts · Camouflaged: No · Nominal diameter: 40 mm · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Ø piston pin (B): 12 mm · Hole spacing inlet: 32 mm · Hole pattern [mm]: 60 x 40 · Area of application: Tuning · Outlet type: clamped · Decompressor: No
EUR 552.40
Not in stock
swiing® ingenious tuning cylinder 40 mm | Sachs 503
Manufacturer: swiing® ingenious parts · Camouflaged: No · Surface: sandblasted · Nominal diameter: 40 mm · Displacement: 55 ccm · Material: Aluminum · Crankshaft stroke: 42 mm · Ø piston pin (B): 12 mm · Hole spacing inlet: 32 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 60 x 40 / 37 x 37 · Area of application: Tuning · Number of fixing points: 4 pcs · Outlet type: clamped · Decompressor: No
EUR 206.30
Not in stock
swiing® ingenious tuning cylinder 38 mm | Sachs 503
Manufacturer: swiing® ingenious parts · Camouflaged: No · Surface: sandblasted · Nominal diameter: 38 mm · Displacement: 50 ccm · Material: Aluminum · Crankshaft stroke: 42 mm · Ø piston pin (B): 12 mm · Hole spacing inlet: 32 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 60 x 40 / 37 x 37 · Area of application: Tuning · Number of fixing points: 4 pcs · Outlet type: clamped · Decompressor: No
EUR 200.20
Not in stock
swiing® ingenious 15mm carburetor set HG long | Sachs 503
Manufacturer: swiing® ingenious parts · Nominal diameter: 15 mm · Camouflaged: No · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Color: black · Ø fuel hose connection: 6 mm · Hole spacing inlet: 32 mm · Width: 50 mm · Width: 68 mm · Ø Inside entrance: 15 mm · Mounting type: Flange · Mounting type: Plug connection clamped · Ø Output inside: 15 mm · Height: 52 mm · Height: 95 mm · Ø Air filter connection: 20 mm · Ø Internal connection: 20 mm · Total length: 66 mm · Total length: 165 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Area of application: Tuning · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m
EUR 206.30
BAD ASS Ø 41 mm "Pandora" tuning cylinder | Sachs 503, 50/2, 502
Nominal diameter: 41 mm · Manufacturer: BAD ASS · Material: Gray cast iron · Area of application: Tuning · 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 · Number of fixing points: 4 pcs · 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 · Camouflaged: No
EUR 273.10
BAD ASS Ø 43 mm "Pandora" BigBore tuning cylinder | Sachs 503, 50/2, 502
Nominal diameter: 43 mm · Manufacturer: BAD ASS · Material: Gray cast iron · Surface: sandblasted · Displacement: 63 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 388.50
Moped fans also bought
NSK BO15 shoulder ball bearing 15/40/10 (A4502)
Material: Brass · Material: Steel · Bearing cage: Brass cage ball-guided · Inner ring width: 10 mm · Ø inside: 15 mm · Manufacturer: NSK · Ø outside: 40 mm · Surface: blank · Stock number: BO15 · Bearing type: Shoulder bearing · Width: 10 mm · Area of application: Standard · Ball bearing closed: No · Pony OEM number: A4502 · Sachs OEM no.: 0932 007 001
EUR 30.20
swiing® revival gearbox cover gasket | Sachs 503 AAL, ABL, AB, AC, ADV, 2AL, 2BL (A1888)
Material: Sealing paper · Color: sand-colored · Total length: 200 mm · Number of fixing points: 6 pcs · Manufacturer: swiing® revival parts · Number of components: 1 pcs · Width: 130 mm · Thickness: 0.35 mm · Pony OEM number: A1888 · Sachs OEM no.: 0250 150 000
EUR 6.55
swiing® ingenious 15 mm carburetor camouflaged | Sachs 503
Nominal diameter: 15 mm · Material: Aluminum · Total length: 66 mm · Height: 95 mm · Manufacturer: swiing® ingenious parts · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Width: 50 mm · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Ø fuel hose connection: 6 mm · Mounting type: Plug connection clamped · Nozzle size: 62 · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Area of application: Tuning · Mixed oil connection: No · Vacuum connection: No · Nozzle block: 2.17 · Camouflaged: Yes · Clamping screw torque (max.): 4 N/m
EUR 97.00
EUR 87.30
swiing® revival air filter Racing | Sachs 503
Material: Plastic · Color: black · Total length: 165 mm · Height: 52 mm · Manufacturer: swiing® revival parts · Width: 68 mm · Filter type: Racing screen · Mounting type: Plug connection clamped · Ø Internal connection: 20 mm · Area of application: Tuning · Camouflaged: No
EUR 72.70
swiing® ingenious 15 mm intake manifold long version | Sachs 503 2AL, 2BL
Number of fixing points: 2 pcs · Ø inside: 15 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Area of application: Tuning · Mounting type: Screws · Thread type: M6x1 (standard thread) · Ø External connection: 20 mm · Hole spacing inlet: 32 mm · Total length: 70 mm · Height flange center hole: 70 mm · Total height: 80 mm · Camouflaged: No · Pony OEM number: A2176
EUR 72.70
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 60.60












