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The legendary high-end crankshaft suitable for Sachs 50 (without blower) and 50/3 engines.
The shaft can also be used in the 50/2 (also called 502) and 503 engines with minor adjustments.
High-quality and precisely fitting full-flange 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 crankshaft can also be used on Sachs 503 engines, so that the drive wheel does not rub against the housing, it must be shimmed with 1.5 mm spacers. The matching spacers can be found in the accessories section.
The large balancing holes in the cheeks have been sealed with aluminum inserts for maximum pre-compression.
This crankshaft is designed for E15 main bearings.
Dimensions of the crankshaft:
- Total length of clutch-side crankpin: 41.5 mm
- Total length of clutch-side crankpin: 63.7 mm
- Length 1st shoulder (clutch-side): 18.5 mm
- Length 2nd shoulder (clutch side) 14 mm
- Ø 1st shoulder (clutch side): 15 mm
- Ø 2nd heel (coupling side): 12 mm
- Thread (coupling side): MF10x1 mm
- Length of shoulder (on coupling side): 37 mm
- Ø shoulder (on end face): 15 mm
- Thread (on end face): MF10x1 mm
- Ø crank webs: 84.9 mm
- Width of crank webs: 29.8 mm
- Ø Connecting rod eye top: 16 mm
- Ø Connecting rod pin bottom: 16 mm
- Cleuellänge (center-center): 84 mm
- Stroke: 42 mm
- Weight (incl. connecting rod): 1026 grams
- Dimension needle bearing: Ø 12 / 16 x 15.7 mm (axe 12)
Attention: The width of the needle bearing is 15.2 mm, depending on the piston it may need to be slightly recessed inside.
Installation tip: The transition between the crank webs and the crankpin is provided with a slight radius for reinforcement. In order to be able to distance out cleanly, a 16 x 1 mm spacer washer should be used on the left and right, which lays cleanly over the chamfer and is therefore also perfectly centered. The other spacers can be used normally with Ø 15 mm.
Quality product from the Portuguese manufacturer Rito.
Details
| Manufacturer | Rito |
| Material | Steel, Aluminum |
| Cheek type | Full cheeks |
| Area of application | High End, Racing, Tuning |
| Crankshaft stroke | 42 mm |
| Connecting rod length center-center | 84 mm |
| Total length of crankpin on clutch side | 41.5 mm |
| Number of gears | 2 pcs |
| Total length crankpin ignition side | 63.7 mm |
| Ø crank webs | 84.9 mm |
| Ø Connecting rod eye | 16 mm |
| Weight | 1026 g |
| Ø piston pin (B) | 12 mm |
| Ø Bearing seat (clutch side) | 15 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Ø Bearing seat (ignition side) | 15 mm |
| Thread length | 7 mm, 9 mm |
| Dimension needle bearing | 12 / 16 x 15.7 mm (axe 12) |
| Wide crank webs | 29.8 mm |
| Length 1st paragraph | 18.5 mm |
| Length 2nd paragraph | 14 mm |
| Ø 1st step (on the coupling side) | 15 mm |
| Ø 2nd shoulder (on the clutch side) | 12 mm |
| Length of shoulder (ignition side) | 37 mm |
Suitable for the following models
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 hp, DE) 50/2 - L CH (0.8 PS), ML CH (0.8 PS), MB (2.6 PS), MLB (2.6 PS) 50/3 |
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Manufacturer: swiing · Material: Aluminum · Material: Steel · Cheek type: Full cheeks · Crankshaft stroke: 42 mm · 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 piston pin (B): 12 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 15 mm · Ø Bearing seat (ignition side): 15 mm · Thread type: MF10x1 (fine pitch thread) · 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 · Area of application: High End · Area of application: Racing · Area of application: Tuning
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swiing crankshaft High End (Version 2.0) | Sachs 50/2, 50/3
Manufacturer: swiing · Cheek type: Full cheeks · Crankshaft stroke: 42 mm · 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 piston pin (B): 12 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 15 mm · Ø Bearing seat (ignition side): 15 mm · Thread type: MF10x1 (fine pitch thread) · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Wide crank webs: 30.1 mm · Weight: 1038 g · Area of application: High End
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