Full cheek racing crankshaft suitable for Puch Maxi S / N, as well as Supermaxi LG1 mopeds with a 1-speed E50 engine.
The balancing bores in the cheeks have been sealed with aluminum inserts for maximum pre-compression.
Additional lubrication slots on the connecting rod ensure clean running even at high engine speeds.
Dimensions of the crankshaft:
- Total length of the clutch-side crankpin: 74 mm
- Total length of the crank pin on the ignition side: 67 mm
- Length 1st shoulder (clutch side): 9 mm
- Length 2nd shoulder (clutch side) 14.5 mm
- Length 3rd shoulder (on the clutch side) 25 mm
- Ø 1st shoulder (clutch side): 22 mm
- Ø 2nd shoulder (coupling side): 17 mm
- Ø 3rd paragraph (clutch side): 15 mm
- Thread (on the coupling side): MF10x1 mm
- Length of shoulder (on the coupling side): 26.3 mm
- Ø heel (on the end face): 17 mm
- Thread (on the end face): MF10x1 mm
- Ø crank webs: 69.9 mm
- Width of crank webs: 34 mm
- Ø connecting rod eye at top: 15 mm
- Ø connecting rod pin at the bottom: 16 mm
- Connecting rod length (center-to-center): 90 mm
- Stroke: 43 mm
- Weight (incl. connecting rod): 970 grams
- Dimension needle bearing: Ø 12 / 15 x 14.7 mm (axe 12)
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.
Details
| Manufacturer | Rito |
| Thread length | 11 mm, 14 mm |
| Material | Steel |
| Cheek type | Full cheeks |
| Area of application | Racing, Tuning |
| Crankshaft stroke | 43 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 | 15 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) |
| Thread type | MF10x1 (fine pitch thread) |
| 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 | 970 g |
| Ø 3rd step (on the clutch side) | 15 mm |
| Length of shoulder (ignition side) | 26.3 mm |
| Number of gears | 1 pcs |
Suitable for the following models
| Puch | E50 |
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