Optimized and lightened full cheek racing crankshaft suitable for Puch Maxi S / N, as well as Supermaxi LG1 mopeds / mopeds with a 1-speed E50 engine.
This special crankshaft has 1 mm more stroke and gives your engine more torque and compression to tease the last power reserves out of the cylinder.
The precisely fitting 939 gram full cheek crankshaft has proven itself in our latest test series and delivered uncompromising power.
All balancing holes in the cheeks were sealed with aluminum inserts for maximum pre-compression. The solid connecting rod is fitted with a more stable 16 mm connecting rod bolt and is also sealed with an aluminum insert. In addition, the polished connecting rod ensures optimum flow behavior of the air-fuel mixture and the additional lubrication slots guarantee clean running even at high engine speeds.
The lightened cheeks on the inside ensure even better balancing and smooth running.
The following points should be noted when using this crankshaft:
Details
| Manufacturer | Rito |
| Thread type | MF10x1 (fine pitch thread) |
| Thread length | 10.5 mm, 12.5 mm |
| Material | Steel, Aluminum |
| Area of application | High End |
| Cheek type | Full cheeks |
| Crankshaft stroke | 44 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 | 67 mm |
| Ø crank webs | 69.9 mm |
| Ø Connecting rod eye | 16 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Ø Bearing seat (ignition side) | 17 mm |
| Dimension needle bearing | 12 / 15 x 15 mm (axe 12) |
| 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 | 939 g |
| Ø 3rd step (on the clutch side) | 15 mm |
| Length of shoulder (ignition side) | 26.3 mm |
| Number of gears | 1 pcs |
| Puch OEM number | 349.1.10.015.0 |
| Alternative version of the Puch OEM number | 349.1.10.015.0 |
Suitable for the following models
| Puch | E50 |
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swiing® ingenious crankshaft High End (+1 mm stroke) (Version 2.0) | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Material: Steel · Cheek type: Full cheeks · Crankshaft stroke: 44 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 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: 11 mm · Thread length: 15 mm · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · 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): 26.3 mm · Weight: 970 g · Number of gears: 1 pcs · Area of application: High End
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