High-end racing crankshaft suitable for your Puch Maxi S, N and Supermaxi LG1 moped with a 1-speed E50 engine.
This special crankshaft has 1 mm more stroke, the additional stroke gives your engine more torque and compression and thus tickles the last horsepower out of the cylinder.
The high-quality, precision-fit, 975 gram full cheek crankshaft, which has proven itself in various load tests, impresses with its excellent balance ratio and good speed stability. It was designed for use in engines with a large increase in power. All balancing bores in the cheeks have been sealed with aluminum inserts for maximum pre-compression. The solid connecting rod is fitted with a more stable 16 mm connecting rod bolt. In addition, the connecting rod bearings are silver bearings, which have excellent emergency running properties.
The following points should be noted when using this crankshaft:
| Thread type | MF10x1 (fine pitch thread) |
| Manufacturer | swiing® ingenious parts |
| 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 |
| Thread length | 11 mm, 15 mm |
| Ø Connecting rod eye | 15 mm |
| Ø piston pin (B) | 12 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Weight | 970 g |
| Area of application | High End |
| Ø Bearing seat (ignition side) | 17 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 |
| 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 |
| Number of gears | 1 pcs |
| Puch | E50 |
Ratings
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