High-end racing crankshaft suitable for Puch Maxi S / N, as well as Supermaxi LG1 mopeds with a 1-speed E50 engine.
High-quality and precisely fitting, 968 gram full-flange crankshaft, which has proven itself in various load tests.
This crankshaft was designed for use in engines with a large increase in performance.
All balancing bores in the cheeks have been sealed with aluminum inserts for maximum pre-compression.
The solid connecting rod is fitted with a more stable 16 mm connecting rod pin, which is hollow on the inside for better balancing.
In addition, the connecting rod bearings are silver bearings, which have excellent emergency running properties.
Dimensions of the crankshaft:
- Total length of clutch-side crankpin: 74 mm
- Total length of clutch-side crankpin: 66 mm
- Length 1. Heel (clutch side): 9 mm
- Length 2nd heel (clutch side) 14.5 mm
- Length 3rd heel (clutch side) 25 mm
- Ø 1st heel (clutch side): 22 mm
- Ø 2nd heel (coupling side): 17 mm
- Ø 3rd heel (clutch side): 15 mm
- Thread (coupling side): MF10x1 mm
- Length of shoulder (on coupling side): 26.3 mm
- Ø shoulder (on the coupling side): 17 mm
- Thread (on end face): MF10x1 mm
- Ø crank webs: 69.9 mm
- Width of crank webs: 34 mm
- Ø connecting rod eye top: 15 mm
- Ø connecting rod pin bottom: 16 mm
- Connecting rod length (center-to-center): 90 mm
- Stroke: 43 mm
- Weight (incl. connecting rod, without bearing): 9. Connecting rod, without bearings): 968 grams
- Dimension needle bearing: Ø 12 / 15 x 14.2 mm (axe 12)
The two C3 ball bearings and oil seals are already fitted on the crankshaft.
The two ball bearings and the oil seal from the rear gear are also included in the scope of delivery. Depending on the gearbox, only one of the two bearings is required.
The needle bearing is included in the scope of delivery.
The revised version of the previously offered crankshaft with improved balancing ratio and thus better speed stability.
Exceptional product for the highest demands of the quality brand swiing®.
Details
| Manufacturer | swiing® ingenious parts |
| Thread length | 11 mm, 15 mm |
| Material | Steel, Aluminum |
| Cheek type | Full cheeks |
| Area of application | High End, Tuning, Racing |
| Crankshaft stroke | 43 mm |
| Ø piston pin (B) | 12 mm |
| Connecting rod length center-center | 90 mm |
| Total length of crankpin on clutch side | 74 mm |
| Total length crankpin ignition side | 66 mm |
| Ø crank webs | 69.9 mm |
| Ø Connecting rod eye | 15 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Ø Bearing seat (ignition side) | 17 mm |
| Dimension needle bearing | 12 / 15 x 14.2 mm (axe 12) |
| Thread type | MF10x1 (fine pitch thread) |
| Wide crank webs | 34 mm |
| Length 1st paragraph | 9 mm |
| Length 2nd paragraph | 14.5 mm |
| Length 3rd paragraph | 25 mm |
| Ø 1st step (on the coupling side) | 22 mm |
| Ø 2nd shoulder (on the clutch side) | 17 mm |
| Weight | 968 g |
| Ø 3rd step (on the clutch side) | 15 mm |
| Length of shoulder (ignition side) | 26.3 mm |
| Number of gears | 1 pcs |
Suitable for the following models
| Puch | E50 |
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