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. On the AC-CH without catalytic converter, the shaft fits from engine number 11'065'713.
Simmerrings and other parts can be found in the accessories section.
Sachs spare part number: A3337 & A2904
Branded product of the Portuguese manufacturer Jasil under the Top Racing brand.
Details
| Manufacturer | Jasil |
| Material | Steel |
| 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 |
| Thread type | MF10x1 (fine pitch thread) |
| Ø Bearing seat (clutch side) | 12 mm |
| Thread length | 7 mm, 11 mm |
| Ø Bearing seat (ignition side) | 15 mm |
| Area of application | Standard |
| Dimension needle bearing | 12 / 15 x 12.8 mm (axe 12) |
| 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 |
| Weight | 964 g |
| Number of gears | 2 pcs |
Suitable for the following models
| Sachs | 503 - AC, ADV |
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 · Simmering type: B DUO - With sheet metal outer casing / two sealing lips. · Width: 7 mm · Ø inside: 17 mm · Manufacturer: Sachs · Ø outside: 33 mm · Material: NBR
CHF 8.90
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 · Simmering type: B DUO - With sheet metal outer casing / two sealing lips. · Ø inside: 15 mm · Ø outside: 30 mm · Width: 9 mm · Manufacturer: Sachs · Material: NBR
CHF 9.90
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 spacing outlet: 38.5 mm · Hole pattern [mm]: 56 x 56 · Area of application: Standard
CHF 44.90
CHF 68.60
swiing® revival gasket set | Sachs 503 ADV wide wall Cat.
Manufacturer: swiing® revival parts · Material: Copper · Material: Fiber · Material: Rubber · Material: Sealing carton · Material: Sealing paper · Number of components: 15 pcs · Hole spacing inlet: 38 mm · Ø outlet inside: 23.3 mm · Hole pattern [mm]: 56 x 56 · Decompressor: No · Area of application: Standard
CHF 44.90
CHF 67.10
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Oil seal NBR 17/33/7 B DUO crankshaft | Sachs 503 AB, ADV
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NSK 6201 ball bearing 12/32/10
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Oil seal NBR 14.96x31.5x3.5 Pinion shaft | Sachs 502, 50/2, 503 (A1134)
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Oil seal NBR 15/30/7 B DUO | Sachs 50/2 / 503 (A1830)
Temperature resistance (min.): -30 - 100 °C · Simmering type: B DUO - With sheet metal outer casing / two sealing lips. · Ø inside: 15 mm · Ø outside: 30 mm · Width: 7 mm · Manufacturer: Sachs · Material: NBR · Pony spare part no.: A1830 · Sachs spare part no.: 0250 090 000
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NTN 6202 C3 ball bearing 15/35/11
Bearing type: Deep groove ball bearing · Stock number: 6202 · Ø inside: 15 mm · Ø outside: 35 mm · Inner ring width: 11 mm · Manufacturer: NTN · Bearing clearance: C3 · Bearing cage: "-" Sheet steel cage ball-guided · Width: 11 mm · Puch spare part no.: 900.4.6202
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swiing® revival gasket set | Sachs 503 ADV wide wall Cat.
Manufacturer: swiing® revival parts · Material: Copper · Material: Fiber · Material: Rubber · Material: Sealing carton · Material: Sealing paper · Number of components: 15 pcs · Hole spacing inlet: 38 mm · Ø outlet inside: 23.3 mm · Hole pattern [mm]: 56 x 56 · Decompressor: No · Area of application: Standard
CHF 44.90
CHF 67.10
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