Full-flange crankshaft with reinforced connecting rod and 12 mm piston pin suitable for manual Puch X30 Velux mopeds with Z50 engines (not suitable for Puch X30 Sport NS / NL mopeds).
High-quality and precisely fitting racing crankshaft, which has proven itself in various load tests. Designed for use in engines with a large increase in performance.
All balancing holes in the cheeks have been sealed with aluminum inserts for maximum pre-compression. The connecting rod of this crankshaft is also polished. In addition, the connecting rod bearings are silver bearings, which have excellent emergency running properties.
| Thread length | 8 mm, 13 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Manufacturer | swiing® ingenious parts |
| Material | Steel, Aluminum |
| Area of application | Racing, High End, Tuning |
| Cheek type | Full cheeks |
| Crankshaft stroke | 43 mm |
| Connecting rod length center-center | 90 mm |
| Total length of crankpin on clutch side | 58 mm |
| Total length crankpin ignition side | 67 mm |
| Ø crank webs | 70 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 |
| Dimension needle bearing | 12 / 15 x 14.2 mm (axe 12) |
| Length 1st paragraph | 20.3 mm |
| Length 2nd paragraph | 19 mm |
| Ø 1st step (on the coupling side) | 17 mm |
| Ø 2nd shoulder (on the clutch side) | 15 mm |
| Length of shoulder (ignition side) | 26.3 mm |
| Weight | 954 g |
| Number of gears | 2 pcs |
| Puch | Z50 (X30 Velux) 2-speed MS, MV, MV50 |
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