
41 mm racing cylinder with 55 cc, suitable for Sachs mopeds / mopeds with 503 2AL, AAL, 2BL, ABL CH engines.
Thanks to the additional holes for the cylinder head bolts and the two mounts for the blower cover, the cylinder can also be fitted to the Sachs 50/2 and 502 models; in this case, the intake and exhaust accessories must be made by yourself.
Hole pattern [mm]: 59 x 40 · Manufacturer: BAD ASS · Material: Gray cast iron · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 42 mm · Nominal diameter: 41 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 · Camouflaged: No · Area of application: Tuning
| Surface | sandblasted |
| Manufacturer | BAD ASS |
| Material | Gray cast iron |
| Displacement | 55 ccm |
| Crankshaft stroke | 42 mm |
| Nominal diameter | 41 mm |
| Ø cylinder neck | 45 mm |
| Ø Outlet outside | 26 mm |
| Camouflaged | No |
| 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 |
| Area of application | Tuning |
| Sachs | 503 - AAL , ABL , 2AL / 2BL |
Accessories & related products
17 mm Bing SRF carburetor (replica)
Nominal diameter: 17 mm · Material: Aluminum · Component group Carburetor: Carburetor complete · Carburetor type: SRF · Ø Internal connection: 23 mm · Mounting type: Plug connection clamped · Ø Air filter connection: 60 mm · Ø Air filter connection: 64 mm · Height: 117 mm · Ø fuel hose connection: 6 mm · Total length: 78 mm · Mixed oil connection: No · Width: 64 mm · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M4x0.7 (standard thread) · Nozzle block: 2.xx · Area of application: Tuning · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m
EUR 74.50
swiing® revival nozzle set M3.5 (58 - 68) Bing SRE, SRA, SRC, SRF
Manufacturer: swiing® revival parts · Material: Brass · Component group Carburetor: Spraying · Quantity: 6 pcs · Carburetor type: SRA (1/11/31) Velux · Carburetor type: SRA (1/11/35) Velux · Carburetor type: SRC · Carburetor type: SRE · Carburetor type: SRF · Nozzle type: Main nozzle · Drive: Slot · Total length: 6 mm · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle size: 58 · Nozzle size: 60 · Nozzle size: 62 · Nozzle size: 64 · Nozzle size: 66 · Nozzle size: 68
EUR 18.20
swiing® ingenious 15mm tuning set carburetor HG short | Sachs 503
Nominal diameter: 15 mm · Manufacturer: swiing® ingenious parts · Area of application: Tuning · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Mounting type: Flange · Mounting type: Plug connection clamped · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Hole spacing inlet: 32 mm · Ø fuel hose connection: 6 mm · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Camouflaged: Yes · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m
EUR 183.50
swiing® ingenious 15 mm carburetor camouflaged | Sachs 503
Nominal diameter: 15 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Component group Carburetor: Carburetor complete · Area of application: Tuning · Carburetor type: SRE · Width: 50 mm · Ø fuel hose connection: 6 mm · Total length: 66 mm · Height: 95 mm · Mounting type: Plug connection clamped · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Camouflaged: Yes · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m
EUR 91.70
swiing® revival air filter Racing | Sachs 503
Manufacturer: swiing® revival parts · Area of application: Tuning · Color: black · Material: Plastic · Filter type: Racing screen · Total length: 165 mm · Ø Internal connection: 20 mm · Mounting type: Plug connection clamped · Width: 68 mm · Height: 52 mm · Camouflaged: No
EUR 68.70
swiing® ingenious resonance exhaust set Ø 28 / 70 mm | Sachs 503
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Color: Chrome · Ø outside: 70 mm · Total length: 730 mm · Mounting type: Screwed clamp · Ø Internal connection: 28 mm · Exhaust type: Cigar · Flame tube attachment: Plug connection clamped
EUR 160.50
swiing® revival silent blocks Alu Racing | Sachs 503 / 504 / 505 / 535
Manufacturer: swiing® revival parts · Material: Aluminum · Surface: anodized · Ø outside: 21.95 mm · Nominal diameter inside: 8.5 mm · Ø inside: 8.3 mm · Ø Bundle: 26 mm · Total length: 13 mm · Alternative version of the Pony OEM number: A4286 · Alternative version of the Sachs OEM number: 0251 121 000
EUR 27.40
GPO piston 40.94 mm | Sachs 502, 50/2, 50/3, 50/4
Nominal diameter: 41 mm · Manufacturer: GPO · Thick piston ring: 1.8 mm · Ø outside piston (A): 40.94 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 · Ø piston pin (B): 12 mm · Weight piston kit: 86 g
EUR 45.80
Not in stock
BAD ASS intake manifold 17 mm SRF short version | Sachs 503 2AL, 2BL
Manufacturer: BAD ASS · Material: Aluminum · Thread type: M6x1 (standard thread) · Ø inside: 17 mm · Mounting type: Screws · Ø External connection: 23 mm · Number of fixing points: 3 pcs · Hole spacing inlet: 32 mm · Total height: 56.5 mm · Height flange center hole: 45 mm · Total length: 54 mm · Camouflaged: No · Area of application: Tuning
EUR 85.90
swiing® ingenious 17 mm SRF carburetor camouflaged | Sachs 503, Puch Velux
Nominal diameter: 17 mm · Manufacturer: swiing® ingenious parts · Area of application: Tuning · Component group Carburetor: Carburetor complete · Material: Aluminum · Carburetor type: SRF · Total length: 61.5 mm · Ø Inside entrance: 17 mm · Ø Internal connection: 23 mm · Mounting type: Plug connection clamped · Ø Output inside: 17.1 mm · Width: 47 mm · Ø Air filter connection: 23 mm · Height: 89 mm · Height: 112 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 · Camouflaged: Yes · Nozzle size: 74 · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m
EUR 137.60
BAD ASS 17 mm intake manifold (short) Bing SRE | Sachs 503 2AL/2BL
Ø inside: 17.8 mm · Manufacturer: BAD ASS · Material: Aluminum · Area of application: Tuning · Mounting type: Stud bolt · Ø External connection: 20 mm · Number of fixing points: 2 pcs · Hole spacing inlet: 32 mm · Total height: 55 mm · Height flange center hole: 45 mm · Total length: 65 mm · Camouflaged: No
EUR 85.90
GPO cylinder gasket set BAD ASS Pandora 41 & 43 mm | Sachs 503, 50/2, 502
Manufacturer: GPO · Material: Oiled paper · Area of application: Tuning · Ø cylinder: 41 mm · Ø cylinder: 43 mm · Thickness: 0.3 mm · Thickness: 1 mm · Number of components: 2 pcs · Hole spacing inlet: 32 mm · Hole pattern [mm]: 60 x 40 mm / 37 x 37 mm
EUR 16.60
AKOA 41 mm cylinder head for decovalve | Sachs 503 2AL, AAL, 2BL, ABL
Ø outside: 84 mm · Manufacturer: AKOA · Material: Aluminum · Area of application: Tuning · Ø cylinder: 41 mm · Height: 29 mm · Candle thread: short · Number of fixing points: 4 pcs · Hole pattern [mm]: 37 x 37 · Decompressor: M10x1.5
EUR 68.70
AKOA 41 mm cylinder head "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Material: Aluminum · Area of application: Tuning · Ø cylinder: 41 mm · Height: 29 mm · Ø outside: 84 mm · Number of fixing points: 4 pcs · Candle thread: short · Hole pattern [mm]: 37 x 37 · Decompressor: No
EUR 57.30
Not in stock
Explore categories from Cylinder
Moped fans also bought
BING O-ring Bing SRE & 85, Ø 20 mm
Place of use: Carburetor · Cord thickness: 1.4 mm · Manufacturer: BING · Number of components: 1 pcs · Material: Rubber · Surface: raw · Area of application: Standard · Color: black · Ø outside: 20 mm · Ø inside: 17.2 mm · Pony OEM number: A4281 · Sachs OEM no.: 0250 160 101
EUR 3.30
NSK BO15 shoulder ball bearing 15/40/10 (A4502)
Bearing type: Shoulder bearing · Stock number: BO15 · Inner ring width: 10 mm · Manufacturer: NSK · Bearing cage: Brass cage ball-guided · Material: Brass · Material: Steel · Area of application: Standard · Ø outside: 40 mm · Ø inside: 15 mm · Width: 10 mm · Ball bearing closed: No · Pony OEM number: A4502 · Sachs OEM no.: 0932 007 001
EUR 28.60
swiing® ingenious 15 mm carburetor camouflaged | Sachs 503
Nominal diameter: 15 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Component group Carburetor: Carburetor complete · Area of application: Tuning · Carburetor type: SRE · Width: 50 mm · Ø fuel hose connection: 6 mm · Total length: 66 mm · Height: 95 mm · Mounting type: Plug connection clamped · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Camouflaged: Yes · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m
EUR 91.70
Large gasket set with shaft seals Engine | Sachs 503
Number of components: 14 pcs · Material: Aluminum · Material: Copper · Material: Fiber · Material: Sealing carton · Material: Sealing paper · Area of application: Standard · Ø outlet inside: 13.3 mm · Hole spacing inlet: 32 mm · Hole pattern [mm]: 60 x 40
EUR 45.80
BAD ASS intake manifold 17 mm SRF short version | Sachs 503 2AL, 2BL
Manufacturer: BAD ASS · Material: Aluminum · Thread type: M6x1 (standard thread) · Ø inside: 17 mm · Mounting type: Screws · Ø External connection: 23 mm · Number of fixing points: 3 pcs · Hole spacing inlet: 32 mm · Total height: 56.5 mm · Height flange center hole: 45 mm · Total length: 54 mm · Camouflaged: No · Area of application: Tuning
EUR 85.90
BAD ASS 17 mm intake manifold (short) Bing SRE | Sachs 503 2AL/2BL
Ø inside: 17.8 mm · Manufacturer: BAD ASS · Material: Aluminum · Area of application: Tuning · Mounting type: Stud bolt · Ø External connection: 20 mm · Number of fixing points: 2 pcs · Hole spacing inlet: 32 mm · Total height: 55 mm · Height flange center hole: 45 mm · Total length: 65 mm · Camouflaged: No
EUR 85.90
GPO cylinder gasket set BAD ASS Pandora 41 & 43 mm | Sachs 503, 50/2, 502
Manufacturer: GPO · Material: Oiled paper · Area of application: Tuning · Ø cylinder: 41 mm · Ø cylinder: 43 mm · Thickness: 0.3 mm · Thickness: 1 mm · Number of components: 2 pcs · Hole spacing inlet: 32 mm · Hole pattern [mm]: 60 x 40 mm / 37 x 37 mm
EUR 16.60




















