Full cheek crankshaft suitable for Sachs 50/3 and 50/4 3 and 4-speed LKH engines
High-quality and precisely fitting racing crankshaft, which has proven itself in various load tests up to 19,000 rpm.
The large balancing holes in the cheeks have been sealed with aluminum inserts for maximum pre-compression.
Dimensions of the crankshaft:
- Total length of clutch-side crankpin: 43.2 mm
- Total length of clutch-side crankpin: 69.7 mm
- Length of 1st shoulder (clutch-side): 21 mm
- Length 2nd shoulder (clutch side) 13.7 mm
- Ø 1st shoulder (clutch side): 17 mm
- Ø 2nd heel (clutch side): 12 mm
- Thread (coupling side): MF10x1 mm
- Length of shoulder (on coupling side): 29.6 mm
- Ø shoulder (on end face): 17 mm
- Thread (on end face): MF10x1 mm
- Ø crank webs: 85 mm
- Width crank webs: 29.9 mm
- Ø connecting rod eye top: 16 mm
- Ø connecting rod pin bottom: 16 mm
- Length of connecting rod (center-to-center): 85 mm
- Stroke: 42 mm
- Weight (incl. connecting rod): 1024 grams
- Dimension needle bearing: Ø 12 / 16 x 15.8 mm (axe 12)
Note: Difference to the Sachs 50/2 crankshaft: the diameter of the cheek journals is larger (L17 bearings must be used).
Quality product from the Portuguese manufacturer Rito.
Details
| Manufacturer | Rito |
| Material | Steel |
| Cheek type | Full cheeks |
| Area of application | Racing, High End |
| Crankshaft stroke | 42 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Ø piston pin (B) | 12 mm |
| Connecting rod length center-center | 85 mm |
| Total length of crankpin on clutch side | 43 mm |
| Total length crankpin ignition side | 70.6 mm |
| Ø crank webs | 85 mm |
| Thread length | 8 mm, 12 mm |
| Ø Connecting rod eye | 16 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Weight | 1024 g |
| Ø Bearing seat (ignition side) | 17 mm |
| Dimension needle bearing | 12 / 16 x 15.8 mm (axe 12) |
| Wide crank webs | 29.9 mm |
| Length 1st paragraph | 21 mm |
| Length 2nd paragraph | 13.7 mm |
| Ø 1st step (on the coupling side) | 17 mm |
| Ø 2nd shoulder (on the clutch side) | 12 mm |
| Length of shoulder (ignition side) | 29.6 mm |
| Number of gears | 3 pcs, 4 pcs |
Suitable for the following models
| Sachs | 50/3 50/4 - MLFB (2.6 PS), LKH (4.5 PS) |
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