Full cheek shaft with polished connecting rod, suitable for various mopeds / mopeds with Puch E50 engines.
Additional lubrication slots on the connecting rod and on the lower connecting rod bearing, in combination with the installed silver cage and the bronze thrust washers, ensure clean running even at high engine speeds.The balancing bores in the cheeks have been sealed with aluminum inserts for maximum pre-compression.
Dimensions of the crankshaft:
Total length of clutch-side crankpin: 74 mm
Total length of clutch-side crankpin: 68 mm
Length of 1st shoulder (clutch-side): 23.3 mm
Length 2nd shoulder (clutch side) 25 mm
Ø 1st shoulder (clutch side): 17 mm
Ø 2nd shoulder (clutch side): 15 mm
Thread (coupling side): MF10x1 mm
Length of shoulder (on coupling side): 26.3 mm
Ø shoulder (on coupling side): 17 mm
Thread (on end face): MF10x1 mm
Ø Crank webs: 69.9 mm
Width crank webs: 34.3 mm
Ø Connecting rod eye top: 15 mm
Ø Connecting rod pin bottom: 14 mm
Connecting rod length (center-to-center): 90 mm
Stroke: 43 mm
Weight (including connecting rod). Connecting rod): 947 grams
Needle bearing dimension: Ø 12 / 15 x 14.7 mm (axe 12)
Matching bearing sets for the «new model» with 11 mm inner ring can be found under accessories.
Branded product from the Portuguese manufacturer Jasil under the Top Racing brand.
| Manufacturer | Jasil |
| Material | Steel |
| Cheek type | Full cheeks |
| Crankshaft stroke | 43 mm |
| Connecting rod length center-center | 90 mm |
| Total length of crankpin on clutch side | 74 mm |
| Total length crankpin ignition side | 68 mm |
| Ø crank webs | 69.9 mm |
| Ø Connecting rod eye | 15 mm |
| Ø piston pin (B) | 12 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Ø Bearing seat (ignition side) | 17 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Thread length | 10 mm, 14 mm |
| Dimension needle bearing | 12 / 15 x 14.7 mm (axe 12) |
| Wide crank webs | 34.3 mm |
| Length 1st paragraph | 23.3 mm |
| Length 2nd paragraph | 25 mm |
| Ø 1st step (on the coupling side) | 17 mm |
| Area of application | Racing |
| Ø 2nd shoulder (on the clutch side) | 15 mm |
| Length of shoulder (ignition side) | 26.3 mm |
| Weight | 947 g |
| Number of gears | 1 pcs |
| Puch | E50 |
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