Full cheek shaft with needle bearing for your Zündapp Belmondo moped / moped with type 247 engine and Bergsteiger models with M25 and M50 engines.
Due to the limited space in the crankcase, this full cheek crankshaft generates a higher pre-compression, which leads to more power.
The lubrication slots correspond to the geometry of an original crankshaft.
Note: If you want better lubrication, you can replace the connecting rod arm with this in the accessory.
Details
| Dimension needle bearing | 12 /15 x 14.7 mm (axe 12) |
| Manufacturer | Jasil |
| Material | Steel |
| Cheek type | Full cheeks |
| Crankshaft stroke | 42 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Connecting rod length center-center | 90.5 mm |
| Total length of crankpin on clutch side | 41 mm |
| Total length crankpin ignition side | 65.7 mm |
| Ø crank webs | 85 mm |
| Ø piston pin (B) | 12 mm |
| Thread length | 13 mm, 8 mm |
| Ø Connecting rod eye | 15 mm |
| Weight | 999.5 g |
| Ø Bearing seat (clutch side) | 15 mm |
| Ø Bearing seat (ignition side) | 15 mm |
| Area of application | Tuning |
| Wide crank webs | 30.1 mm |
| Ø 1st step (on the coupling side) | 21.6 mm |
| Ø 2nd shoulder (on the clutch side) | 10 mm |
| Length of shoulder (ignition side) | 34 mm |
Suitable for the following models
| Zündapp Belmondo | |
| Zündapp | 434 Fahrgestell (Bergsteiger) 247 Motor |
Accessories & related products
Jasil connecting rod set | Zündapp
Total length: 118.2 mm · Manufacturer: Jasil · Material: Steel · Surface: copper-coated · Connecting rod length center-center: 91 mm · Ø Connecting rod bolt: 16 mm · Ø lower connecting rod eye outside: 31 mm · Thickness: 10 mm · Ø upper connecting rod eye outside: 23 mm · Ø piston pin (B): 12 mm · Ø lower bearing inside: 21 mm · Area of application: Standard · Area of application: Tuning · Ø inside upper bearing: 15 mm · Dimension lower bearing: 16/21 x 9.75 mm · Dimension upper bearing: 12/15 x 12.7 mm · Connecting rod pin length: 37.85 mm
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Crankshaft | Zündapp (Type 434 / 247)
Dimension needle bearing: 12 /15 x 14.2 mm (axe 12) · Material: Steel · Cheek type: standard · Crankshaft stroke: 42 mm · Ø coupling pin / vario pin: 15 mm · Thread type: MF10x1 (fine pitch thread) · Connecting rod length center-center: 91.5 mm · Total length of crankpin on clutch side: 40.4 mm · Total length crankpin ignition side: 65 mm · Thread length: 8.5 mm · Thread length: 14 mm · Ø crank webs: 85 mm · Ø piston pin (B): 12 mm · Ø Connecting rod eye: 16 mm · Weight: 892 g · Ø Bearing seat (clutch side): 15 mm · Ø Bearing seat (ignition side): 15 mm · Wide crank webs: 30 mm · Ø 1st step (on the coupling side): 21 mm · Ø 2nd shoulder (on the clutch side): 9.6 mm · Length of shoulder (ignition side): 35 mm
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