Full cheek racing crankshaft suitable for Puch Maxi S / N mopeds, as well as Supermaxi LG1 mopeds with a 1-speed E50 engine.
Cleanly processed, 977 gram full cheek crankshaft, with corresponding needle bearing.
The crankshaft was designed for use in engines with increased performance.
To this end, all balancing bores in the cheeks are sealed with aluminum inserts for maximum pre-compression.
The solid connecting rod is fitted with a more stable 16 mm connecting rod bolt.
Dimensions of the crankshaft:
- Total length of clutch-side crankpin: 74 mm
- Total length of clutch-side crankpin: 67 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 (clutch side): 17 mm
- Ø 3rd heel (clutch side): 15 mm
- Thread (coupling side): MF10x1 mm
- Length of shoulder (on coupling side): 26.6 mm
- Ø shoulder (on end face): 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: 14 mm
- Conrod length (center-to-center): 90 mm
- Stroke: 43 mm
- Weight (including connecting rod). Connecting rod): 977 grams
- Needle bearing dimensions: 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.
Only one of the two bearings is required, depending on the gearbox.
The needle bearing is also included in the scope of delivery.
Branded product from the manufacturer DMP.
| Dimension needle bearing | 12 / 15 x 14.2 mm (axe 12) |
| Manufacturer | DMP |
| Cheek type | Full cheeks |
| 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 |
| Thread length | 10 mm |
| Ø Connecting rod eye | 15 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Material | Steel |
| Ø Bearing seat (clutch side) | 17 mm |
| Ø Bearing seat (ignition side) | 17 mm |
| Area of application | Racing |
| 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 |
| Ø 3rd step (on the clutch side) | 15 mm |
| Length of shoulder (ignition side) | 26.6 mm |
| Number of gears | 1 pcs |
| Puch | E50 |
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