Hot 
High-end crankshaft with 1 mm additional stroke developed by a Swiss high-end tuning forge and built by the best manufacturer to fit Sachs 503, 50 (without blower) and 50/3 engines.
The shaft can also be used in the 50/2 (also known as 502) engine with minor adjustments.
High-quality and precisely fitting, 1026 gram full cheek crankshaft with polished connecting rod, which has proven itself in various load tests. Designed for use in engines with a large power increase and tested up to 19,000 rpm.
The high-end crankshaft is designed for Sachs 503 engines and has the correct length of the clutch-side cheek pin, which is 3.5 mm longer than that of the Sachs 50/2 crankshafts currently in circulation.
The large balancing bores in the cheeks were sealed with aluminum inserts for maximum pre-compression.
Dimensions of the crankshaft:
- Total length of clutch-side crankpin: 43.3 mm
- Total length of clutch-side crankpin: 63.5 mm
- Length of 1st shoulder (clutch-side): 21.3 mm
- Length 2nd shoulder (clutch side) 14.2 mm
- Ø 1st shoulder (clutch side): 15 mm
- Ø 2nd heel (clutch side): 12 mm
- Thread (coupling side): MF10x1 mm
- Length of shoulder (on coupling side): 34.6 mm
- Ø shoulder (on the coupling side): 15 mm
- Thread (on end face): MF10x1 mm
- Ø crank webs: 84.8 mm
- Width of crank webs: 29.8 mm
- Ø connecting rod eye top: 16 mm
- Ø connecting rod pin bottom: 16 mm
- Conrod length (center-to-center): 85 mm
- Stroke: 43 mm (+1 compared to original shaft)
- Weight (incl. Connecting rod): 1026 grams
- Dimension needle bearing: Ø 12 / 16 x 15.7 mm (axe 12)
The needle bearing is included in the scope of delivery.
The matching bearings and oil seals can be found under accessories.
Installation tip:
- The transition between the crank webs and the journals is provided with a slight radius for reinforcement. To ensure clean spacing, a Ø 16 x 1 mm spacer washer should be used on both the left and right-hand sides; these are placed neatly over the chamfer and are therefore perfectly centered. The other spacers can be used normally with Ø 15 mm.
- The crushing edge should be checked in all cases and adjusted with cylinder base gaskets of different thicknesses if necessary.
Quality product from Portuguese manufacturer Rito.
Details
| Manufacturer | Rito |
| Weight | 1026 g |
| Area of application | Tuning, Racing |
| Material | Steel, Aluminum |
| Cheek type | Full cheeks |
| Crankshaft stroke | 43 mm |
| Connecting rod length center-center | 85 mm |
| Total length of crankpin on clutch side | 43.3 mm |
| Total length crankpin ignition side | 63.5 mm |
| Ø crank webs | 84.8 mm |
| Ø Connecting rod eye | 16 mm |
| Ø piston pin (B) | 12 mm |
| Ø Bearing seat (clutch side) | 15 mm |
| Ø Bearing seat (ignition side) | 15 mm |
| Dimension needle bearing | 12 / 16 x 15.7 mm (axe 12) |
| Thread length | 8 mm, 11 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Wide crank webs | 29.8 mm |
| Length 1st paragraph | 21.3 mm |
| Length 2nd paragraph | 14.2 mm |
| Ø 1st step (on the coupling side) | 15 mm |
| Ø 2nd shoulder (on the clutch side) | 12 mm |
| Length of shoulder (ignition side) | 34.6 mm |
Suitable for the following models
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 PS, DE) 50/2 - L CH (0.8 PS), ML CH (0.8 PS), MB (2.6 PS), MLB (2.6 PS) 50/3 503 - 2AL / 2BL |
Accessories & related products
swiing® ingenious puller L17 / BO15 / E15 shoulder bearing
Diameter: 24 mm · Diameter: 40.3 mm · Total length: 120 mm · Width across flats (trigger): 8 mm · Width across flats (trigger): 19 mm · Span: 24 mm · Manufacturer: swiing® ingenious parts · Clamping depth: 10 mm · Peel-off tray: BO15 · Peel-off tray: E15 · Peel-off tray: L17 · Area of application: (Dis)assembly tool · Surface: blue galvanized · Number of components: 1 pcs · Thread type: M6x1 (standard thread) · Thread type: M8x1.25 (standard thread)
49,50 EUR
NSK E15 shoulder ball bearing 15/35/8 (A1149)
Bearing type: Shoulder bearing · Stock number: E15 · Inner ring width: 8 mm · Manufacturer: NSK · Ball bearing closed: No · Bearing clearance: CN (standard) · Bearing cage: Brass cage ball-guided · Groove ring: No · Area of application: Standard · Material: Brass · Material: Steel · Width: 8 mm · Surface: blank · Ø inside: 15 mm · Ø outside: 35 mm · Pony spare part no.: A1149 · Sachs spare part no.: 0232 017 006
28,10 EUR
Gasket cylinder base Sachs 50/2 & 503 (1 mm)
Material: Sealing carton · Area of application: Standard · Thickness: 1 mm · Place of use: Cylinder base · Hole pattern [mm]: 60 x 40 · Alternative version of the Pony Spare part no.: A1848 · Alternative version of Sachs spare part no.: 0250 113 100
5,30 EUR
swiing® revival cylinder base gasket cylinder 0.3 mm | Sachs 503
Ø inside: 45 mm · Nominal diameter: 45 mm · Manufacturer: swiing® revival parts · Material: Oiled paper · Area of application: Standard · Ø cylinder: 38 - 40 mm · Thickness: 0.3 mm · Place of use: Cylinder base · Hole pattern [mm]: 60 x 40
3,85 EUR
Not in stock
swiing® revival shim set | Sachs 503, 502, 50/2, 50/3
Manufacturer: swiing® revival parts · Thickness: 0.1 mm · Thickness: 0.15 mm · Thickness: 0.2 mm · Thickness: 0.4 mm · Thickness: 0.45 mm · Thickness: 0.5 mm · Thickness: 1 mm · Material: Steel · Surface: blank / oiled · Ø inside: 12.5 mm · Ø inside: 15.2 mm · Nominal diameter: 13 mm · Ø outside: 18 mm · Ø outside: 21 mm
19,00 EUR
swiing crankshaft High End (Version 2.0) | Sachs 503 2AL, 2BL
Manufacturer: swiing · Material: Aluminum · Area of application: High End · Area of application: Racing · Material: Steel · Area of application: Tuning · Cheek type: Full cheeks · Crankshaft stroke: 42 mm · Ø piston pin (B): 12 mm · Thread type: MF10x1 (fine pitch thread) · Connecting rod length center-center: 85 mm · Total length of crankpin on clutch side: 43.5 mm · Total length crankpin ignition side: 63.4 mm · Ø crank webs: 85 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 15 mm · Ø Bearing seat (ignition side): 15 mm · Thread length: 8 mm · Thread length: 11 mm · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Wide crank webs: 30.1 mm · Length 1st paragraph: 21 mm · Length 2nd paragraph: 13 mm · Ø 1st step (on the coupling side): 15 mm · Ø 2nd shoulder (on the clutch side): 12 mm · Length of shoulder (ignition side): 35 mm · Number of gears: 2 pcs
211,80 EUR
Not in stock
Hot
swiing crankshaft High End (Version 2.0) | Sachs 50/2, 50/3
Manufacturer: swiing · Area of application: High End · Cheek type: Full cheeks · Crankshaft stroke: 42 mm · Ø piston pin (B): 12 mm · Thread type: MF10x1 (fine pitch thread) · Connecting rod length center-center: 85 mm · Total length of crankpin on clutch side: 40.7 mm · Total length crankpin ignition side: 63.4 mm · Ø crank webs: 85 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 15 mm · Ø Bearing seat (ignition side): 15 mm · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Wide crank webs: 30.1 mm · Weight: 1038 g
211,80 EUR
Moped fans like you also bought:
BING O-ring Bing SRE & 85, Ø 20 mm
Cord thickness: 1.4 mm · Color: black · Manufacturer: BING · Number of components: 1 pcs · Material: Rubber · Surface: raw · Place of use: Carburetor · Area of application: Standard · Ø inside: 17.2 mm · Ø outside: 20 mm · Pony spare part no.: A4281 · Sachs spare part no.: 0250 160 101
3,25 EUR
Oil seal NBR 15/30/7 B AS | Sachs 503, 50/2
Width: 7 mm · Simmering type: B - With sheet metal outer casing / one sealing lip. · Manufacturer: Sachs · Ø inside: 15 mm · Ø outside: 30 mm · Material: NBR · Temperature resistance (min.): -30 - 100 °C · Pony spare part no.: A1830 · Sachs spare part no.: 0250 090 000
6,10 EUR
NSK E15 shoulder ball bearing 15/35/8 (A1149)
Bearing type: Shoulder bearing · Stock number: E15 · Inner ring width: 8 mm · Manufacturer: NSK · Ball bearing closed: No · Bearing clearance: CN (standard) · Bearing cage: Brass cage ball-guided · Groove ring: No · Area of application: Standard · Material: Brass · Material: Steel · Width: 8 mm · Surface: blank · Ø inside: 15 mm · Ø outside: 35 mm · Pony spare part no.: A1149 · Sachs spare part no.: 0232 017 006
28,10 EUR
NSK BO15 shoulder ball bearing 15/40/10 (A4502)
Bearing type: Shoulder bearing · Stock number: BO15 · Inner ring width: 10 mm · Manufacturer: NSK · Ball bearing closed: No · Bearing cage: Brass cage ball-guided · Area of application: Standard · Material: Brass · Material: Steel · Width: 10 mm · Surface: blank · Ø inside: 15 mm · Ø outside: 40 mm · Pony spare part no.: A4502 · Sachs spare part no.: 0932 007 001
28,10 EUR
Oil seal NBR 15/30/7 B DUO | Sachs 50/2 / 503 (A1830)
Width: 7 mm · Simmering type: B DUO - With sheet metal outer casing / two sealing lips. · Manufacturer: Sachs · Ø inside: 15 mm · Ø outside: 30 mm · Material: NBR · Temperature resistance (min.): -30 - 100 °C · Pony spare part no.: A1830 · Sachs spare part no.: 0250 090 000
6,10 EUR
Gasket set large | Sachs 503 engine
Area of application: Standard · Material: Aluminum · Material: Copper · Material: Fiber · Material: Sealing carton · Material: Sealing paper · Number of components: 14 pcs · Ø outlet inside: 13.3 mm · Hole pattern [mm]: 60 x 40 · Hole spacing inlet: 32 mm
45,00 EUR
swiing® revival shim set | Sachs 503, 502, 50/2, 50/3
Manufacturer: swiing® revival parts · Thickness: 0.1 mm · Thickness: 0.15 mm · Thickness: 0.2 mm · Thickness: 0.4 mm · Thickness: 0.45 mm · Thickness: 0.5 mm · Thickness: 1 mm · Material: Steel · Surface: blank / oiled · Ø inside: 12.5 mm · Ø inside: 15.2 mm · Nominal diameter: 13 mm · Ø outside: 18 mm · Ø outside: 21 mm
19,00 EUR
swiing® revival ball bearing countershaft | Sachs 50/2, 50/3, 50/4, 503 2AL/2BL (A2531)
Bearing type: Deep groove ball bearing · Stock number: E15 · Thread type: MF20.8x1 LH (fine/left-hand thread) · Inner ring width: 25.6 mm · Manufacturer: swiing® revival parts · Bearing clearance: CN (standard) · Bearing cage: "-" Sheet steel cage ball-guided · Area of application: High End · Area of application: Standard · Material: Steel · Width: 8 mm · Ø inside: 15 mm · Ø outside: 35 mm · Pony spare part no.: A2531 · Sachs spare part no.: 0286 079 105
56,20 EUR
Collection only possible with online purchase and appointment.
