
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
| Manufacturer | BAD ASS |
| Area of application | Tuning |
| Material | Gray cast iron |
| Surface | sandblasted |
| Displacement | 55 ccm |
| Nominal diameter | 41 mm |
| 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 |
| Number of fixing points | 4 pcs |
| Ø piston pin (B) | 12 mm |
| Outlet type | clamped |
| Hole pattern [mm] | 40 x 60 / 37 x 37 |
| Camouflaged | No |
| Sachs | 503 - AAL , ABL , 2AL / 2BL |
Accessories & related products
17 mm Bing SRF carburetor (replica)
Material: Aluminum · Component group Carburetor: Carburetor complete · Carburetor type: SRF · Choke control: Hand choke · Width: 64 mm · Total length: 78 mm · Nominal diameter: 17 mm · Height: 117 mm · Ø fuel hose connection: 6 mm · Ø Internal connection: 23 mm · Ø Air filter connection: 60 mm · Ø Air filter connection: 64 mm · Mixed oil connection: No · Mounting type: Plug connection clamped · Vacuum connection: No · 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
76,40 EUR
swiing® revival nozzle set M3.5 (58 - 68) Bing SRE, SRA, SRC, SRF
Manufacturer: swiing® revival parts · Component group Carburetor: Spraying · Material: Brass · 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 · 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 · Total length: 6 mm · Drive: Slot
18,70 EUR
swiing® ingenious 15mm tuning set carburetor HG short | Sachs 503
Manufacturer: swiing® ingenious parts · Nominal diameter: 15 mm · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Ø Inside entrance: 15 mm · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Hole spacing inlet: 32 mm · Mounting type: Flange · Mounting type: Plug connection clamped · Ø Internal connection: 20 mm · Ø fuel hose connection: 6 mm · Choke control: Hand choke · Area of application: Tuning · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m
188,20 EUR
swiing® ingenious 15 mm carburetor camouflaged | Sachs 503
Manufacturer: swiing® ingenious parts · Nominal diameter: 15 mm · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Material: Aluminum · Carburetor type: SRE · Total length: 66 mm · Width: 50 mm · Ø Inside entrance: 15 mm · Ø Output inside: 15 mm · Height: 95 mm · Ø Air filter connection: 20 mm · Mounting type: Plug connection clamped · Ø Internal connection: 20 mm · Ø fuel hose connection: 6 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
94,00 EUR
swiing® revival air filter Racing | Sachs 503
Manufacturer: swiing® revival parts · Camouflaged: No · Color: black · Material: Plastic · Filter type: Racing screen · Total length: 165 mm · Width: 68 mm · Height: 52 mm · Ø Internal connection: 20 mm · Mounting type: Plug connection clamped · Area of application: Tuning
70,50 EUR
swiing® ingenious resonance exhaust set Ø 28 / 70 mm | Sachs 503
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Ø outside: 70 mm · Total length: 730 mm · Color: Chrome · Ø Internal connection: 28 mm · Exhaust type: Cigar · Mounting type: Screwed clamp · Flame tube attachment: Plug connection clamped
164,60 EUR
swiing® revival silent blocks Alu Racing | Sachs 503 / 504 / 505 / 535
Manufacturer: swiing® revival parts · Material: Aluminum · Surface: anodized · Nominal diameter inside: 8.5 mm · Ø inside: 8.3 mm · Ø outside: 21.95 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
28,10 EUR
GPO piston 40.94 mm | Sachs 502, 50/2, 50/3, 50/4
Manufacturer: GPO · Nominal diameter: 41 mm · 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
46,90 EUR
Not in stock
BAD ASS intake manifold 17 mm SRF short version | Sachs 503 2AL, 2BL
Manufacturer: BAD ASS · Camouflaged: No · Material: Aluminum · Ø inside: 17 mm · Ø External connection: 23 mm · Mounting type: Screws · Hole spacing inlet: 32 mm · Number of fixing points: 3 pcs · Total height: 56.5 mm · Height flange center hole: 45 mm · Total length: 54 mm · Thread type: M6x1 (standard thread) · Area of application: Tuning
88,10 EUR
swiing® ingenious 17 mm SRF carburetor camouflaged | Sachs 503, Puch Velux
Manufacturer: swiing® ingenious parts · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Material: Aluminum · Carburetor type: SRF · Nominal diameter: 17 mm · Total length: 61.5 mm · Ø Internal connection: 23 mm · Width: 47 mm · Height: 89 mm · Height: 112 mm · Ø Inside entrance: 17 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 · Mounting type: Plug connection clamped · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m · Area of application: Tuning
141,10 EUR
BAD ASS 17 mm intake manifold (short) Bing SRE | Sachs 503 2AL/2BL
Manufacturer: BAD ASS · Camouflaged: No · Material: Aluminum · Ø inside: 17.8 mm · Ø External connection: 20 mm · Mounting type: Stud bolt · Hole spacing inlet: 32 mm · Number of fixing points: 2 pcs · Total height: 55 mm · Height flange center hole: 45 mm · Total length: 65 mm · Area of application: Tuning
88,10 EUR
GPO cylinder gasket set BAD ASS Pandora 41 & 43 mm | Sachs 503, 50/2, 502
Manufacturer: GPO · Material: Oiled paper · Number of components: 2 pcs · Thickness: 0.3 mm · Thickness: 1 mm · Ø cylinder: 41 mm · Ø cylinder: 43 mm · Hole spacing inlet: 32 mm · Hole pattern [mm]: 60 x 40 mm / 37 x 37 mm · Area of application: Tuning
17,10 EUR
AKOA 41 mm cylinder head for decovalve | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Material: Aluminum · Ø cylinder: 41 mm · Ø outside: 84 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 37 x 37 · Candle thread: short · Decompressor: M10x1.5 · Height: 29 mm · Area of application: Tuning
70,50 EUR
AKOA 41 mm cylinder head "Power-Edition" | Sachs 503 2AL, AAL, 2BL, ABL
Manufacturer: AKOA · Material: Aluminum · Ø cylinder: 41 mm · Ø outside: 84 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 37 x 37 · Candle thread: short · Decompressor: No · Height: 29 mm · Area of application: Tuning
58,70 EUR
Explore categories from Cylinder
Moped fans also bought
BING O-ring Bing SRE & 85, Ø 20 mm
Manufacturer: BING · Cord thickness: 1.4 mm · Material: Rubber · Surface: raw · Color: black · Ø inside: 17.2 mm · Ø outside: 20 mm · Place of use: Carburetor · Area of application: Standard · Number of components: 1 pcs · Pony OEM number: A4281 · Sachs OEM no.: 0250 160 101
3,40 EUR
NSK BO15 shoulder ball bearing 15/40/10 (A4502)
Manufacturer: NSK · Bearing type: Shoulder bearing · Inner ring width: 10 mm · Bearing cage: Brass cage ball-guided · Material: Brass · Material: Steel · Surface: blank · Area of application: Standard · Ø inside: 15 mm · Ø outside: 40 mm · Stock number: BO15 · Width: 10 mm · Ball bearing closed: No · Pony OEM number: A4502 · Sachs OEM no.: 0932 007 001
29,30 EUR
swiing® ingenious 15 mm carburetor camouflaged | Sachs 503
Manufacturer: swiing® ingenious parts · Nominal diameter: 15 mm · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Material: Aluminum · Carburetor type: SRE · Total length: 66 mm · Width: 50 mm · Ø Inside entrance: 15 mm · Ø Output inside: 15 mm · Height: 95 mm · Ø Air filter connection: 20 mm · Mounting type: Plug connection clamped · Ø Internal connection: 20 mm · Ø fuel hose connection: 6 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
94,00 EUR
Large gasket set with shaft seals Engine | Sachs 503
Material: Aluminum · Material: Copper · Material: Fiber · Material: Sealing carton · Material: Sealing paper · Number of components: 14 pcs · Hole spacing inlet: 32 mm · Ø outlet inside: 13.3 mm · Hole pattern [mm]: 60 x 40 · Area of application: Standard
46,90 EUR
BAD ASS intake manifold 17 mm SRF short version | Sachs 503 2AL, 2BL
Manufacturer: BAD ASS · Camouflaged: No · Material: Aluminum · Ø inside: 17 mm · Ø External connection: 23 mm · Mounting type: Screws · Hole spacing inlet: 32 mm · Number of fixing points: 3 pcs · Total height: 56.5 mm · Height flange center hole: 45 mm · Total length: 54 mm · Thread type: M6x1 (standard thread) · Area of application: Tuning
88,10 EUR
BAD ASS 17 mm intake manifold (short) Bing SRE | Sachs 503 2AL/2BL
Manufacturer: BAD ASS · Camouflaged: No · Material: Aluminum · Ø inside: 17.8 mm · Ø External connection: 20 mm · Mounting type: Stud bolt · Hole spacing inlet: 32 mm · Number of fixing points: 2 pcs · Total height: 55 mm · Height flange center hole: 45 mm · Total length: 65 mm · Area of application: Tuning
88,10 EUR
GPO cylinder gasket set BAD ASS Pandora 41 & 43 mm | Sachs 503, 50/2, 502
Manufacturer: GPO · Material: Oiled paper · Number of components: 2 pcs · Thickness: 0.3 mm · Thickness: 1 mm · Ø cylinder: 41 mm · Ø cylinder: 43 mm · Hole spacing inlet: 32 mm · Hole pattern [mm]: 60 x 40 mm / 37 x 37 mm · Area of application: Tuning
17,10 EUR




















