Crankshaft for mopeds / mopeds with Sachs 503 ADV-CH and Sachs 503 AC-CH windage-controlled 2-speed automatic engines.
These are the engines with the large, square cylinder. The ADV-CH is fitted with a catalytic converter as standard and the starter cable runs into the clutch cover.
| Dimension needle bearing | 12 / 15 x 12.8 mm (axe 12) |
| Manufacturer | Jasil |
| Weight | 964 g |
| Material | Steel |
| Area of application | Standard |
| Cheek type | standard |
| Crankshaft stroke | 44 mm |
| Ø piston pin (B) | 12 mm |
| Connecting rod length center-center | 86 mm |
| Total length of crankpin on clutch side | 97 mm |
| Total length crankpin ignition side | 62 mm |
| Ø crank webs | 83 mm |
| Ø Connecting rod eye | 15 mm |
| Ø Bearing seat (clutch side) | 12 mm |
| Ø Bearing seat (ignition side) | 15 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Thread length | 7 mm, 11 mm |
| Wide crank webs | 34.2 mm |
| Length 1st paragraph | 9.4 mm |
| Length 2nd paragraph | 19.4 mm |
| Length 3rd paragraph | 74 mm |
| Ø 1st step (on the coupling side) | 17 mm |
| Ø 2nd shoulder (on the clutch side) | 12 mm |
| Ø 3rd step (on the clutch side) | 11.6 mm |
| Length of shoulder (ignition side) | 32 mm |
| Number of gears | 2 pcs |
| Sachs | 503 - AC , ADV |
Ratings
Accessories & related products
Oil seal NBR 17/33/7 B DUO crankshaft | Sachs 503 AB, ADV
Place of use: Crankshaft · Temperature resistance (min.): -30 - 100 °C · Shaft seal type: B DUO - With sheet metal outer casing / two sealing lips. · Manufacturer: Sachs · Material: NBR · Width: 7 mm · Ø inside: 17 mm · Ø outside: 33 mm
EUR 10.60
Oil seal NBR 15/30/9 B DUO crankshaft | Sachs 503 ADV, AB, AC (A1832)
Place of use: Crankshaft · Temperature resistance (min.): -30 - 100 °C · Shaft seal type: B DUO - With sheet metal outer casing / two sealing lips. · Manufacturer: Sachs · Material: NBR · Width: 9 mm · Ø inside: 15 mm · Ø outside: 30 mm
EUR 11.80
swiing® revival gasket set | Sachs 503 AB, AC wide wall
Manufacturer: swiing® revival parts · Material: Aluminum · Material: Copper · Material: Rubber · Material: Sealing carton · Material: Sealing paper · Number of components: 21 pcs · Ø outlet inside: 24 mm · Hole pattern [mm]: 56 x 56 · Hole spacing outlet: 38.5 mm · Area of application: Standard
EUR 53.30
swiing® revival gasket set | Sachs 503 ADV wide screen Cat.
Manufacturer: swiing® revival parts · Material: Copper · Material: Fiber · Material: Rubber · Material: Sealing carton · Material: Sealing paper · Number of components: 15 pcs · Ø outlet inside: 23.3 mm · Hole spacing inlet: 38 mm · Hole pattern [mm]: 56 x 56 · Area of application: Standard · Decompressor: No
EUR 53.30
Explore categories from Engine block
Moped fans also bought
Oil seal NBR 17/33/7 B DUO crankshaft | Sachs 503 AB, ADV
Place of use: Crankshaft · Temperature resistance (min.): -30 - 100 °C · Shaft seal type: B DUO - With sheet metal outer casing / two sealing lips. · Manufacturer: Sachs · Material: NBR · Width: 7 mm · Ø inside: 17 mm · Ø outside: 33 mm
EUR 10.60
NSK 6201 ball bearing 12/32/10
Bearing cage: Sheet steel cage ball-guided · Inner ring width: 10 mm · Manufacturer: NSK · Bearing clearance: CM (special/noise-reduced) · Groove ring: No · Material: Steel · Surface: blank · Stock number: 6201 · Bearing type: Shoulder bearing · Width: 10 mm · Ø inside: 12 mm · Ø outside: 32 mm · Ball bearing closed: No · Area of application: Standard
EUR 10.10
Shaft seal NBR 14.96x31.5x3.5 Pinion shaft | Sachs 502, 50/2, 503 (A1134)
Place of use: Pinion shaft · Temperature resistance (min.): -30 - 100 °C · Manufacturer: Sachs · Material: NBR · Surface: coated · Width: 3.5 mm · Ø inside: 14.96 mm · Ø outside: 31.5 mm · Area of application: Standard · Pony OEM number: A1134 · Sachs OEM no.: 0230 011 100 · Sachs OEM no.: 0230 011 200
EUR 8.90
Oil seal NBR 15/30/7 B DUO | Sachs 50/2 / 503 (A1830)
Shaft seal type: B DUO - With sheet metal outer casing / two sealing lips. · Manufacturer: Sachs · Material: NBR · Width: 7 mm · Ø outside: 30 mm · Ø inside: 15 mm · Temperature resistance (min.): -30 - 100 °C · Pony OEM number: A1830 · Sachs OEM no.: 0250 090 000
EUR 6.40
swiing® revival gasket set | Sachs 503 ADV wide screen Cat.
Manufacturer: swiing® revival parts · Material: Copper · Material: Fiber · Material: Rubber · Material: Sealing carton · Material: Sealing paper · Number of components: 15 pcs · Ø outlet inside: 23.3 mm · Hole spacing inlet: 38 mm · Hole pattern [mm]: 56 x 56 · Area of application: Standard · Decompressor: No
EUR 53.30
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
