Optimized full cheek racing crankshaft suitable for Puch Maxi S / N, as well as Supermaxi LG1 mopeds / mopeds with a 1-speed E50 engine.
In the new 2023 version, in addition to the balancing holes in the cheeks, the lower connecting rod pin has also been sealed with an aluminum insert for maximum pre-compression.
In addition, the polished connecting rod ensures optimum flow behavior of the air-fuel mixture.
Additional lubrication slots on the connecting rod ensure clean running even at high engine speeds.
Note: The clutch nut must be tightened to a maximum torque of 28 Nm.
You can find the matching bearings and oil seals in the accessories section.
Quality product from the Portuguese manufacturer Rito.
Alternative to the Puch spare part number: 349.1.10.015.0
| Manufacturer | Rito |
| Area of application | Tuning, Racing |
| Material | Steel, Aluminum |
| 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 | 67 mm |
| Ø crank webs | 69.9 mm |
| Ø piston pin (B) | 12 mm |
| Ø Connecting rod eye | 15 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Ø Bearing seat (ignition side) | 17 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Thread length | 10.5 mm, 12.5 mm |
| Dimension needle bearing | 12 / 15 x 14.7 mm (axe 12) |
| 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) | 26.3 mm |
| Weight | 975 g |
| Number of gears | 1 pcs |
| Alternative version of the Puch OEM number | 349.1.10.015.0 |
| Puch | E50 |
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