Crankshaft suitable for your Zündapp Bergsteiger M25, M50 & Belmondo moped, moped and small motorcycle with 247 engine.
Total length of clutch-side crankpin: 40.4 mm
Total length of clutch-side crankpin: 65 mm
Length 1st shoulder (clutch side): 21 mm
Length 2nd shoulder (clutch side) 9.6 mm
Ø 1st shoulder (clutch side): 15 mm
Ø 2nd shoulder (clutch side): 12 mm
Thread (coupling side): MF10x1 mm
Length of shoulder (on coupling side): 35 mm
Ø shoulder (on coupling side): 15 mm
Thread (on end face): MF10x1 mm
Ø crank webs: 85 mm
Width of crank webs: 30 mm
Ø connecting rod eye top: 15 mm
Ø connecting rod pin bottom: 16 mm
Connecting rod length (center-to-center): 91.5 mm
Stroke: 42 mm
Weight (including connecting rod). Connecting rod): 892 grams
The drive shaft is supplied with the corresponding needle bearing.
You can find a full cheek shaft for your Belmondo, as well as other attachments, in the accessories section.
Details
| Material | Steel |
| Cheek type | standard |
| Crankshaft stroke | 42 mm |
| Ø coupling pin / vario pin | 15 mm |
| 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 |
| Ø crank webs | 85 mm |
| Ø Connecting rod eye | 16 mm |
| Ø piston pin (B) | 12 mm |
| Ø Bearing seat (clutch side) | 15 mm |
| Ø Bearing seat (ignition side) | 15 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Thread length | 14 mm, 8.5 mm |
| Dimension needle bearing | 12 /15 x 14.2 mm (axe 12) |
| 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 |
| Weight | 892 g |
Suitable for the following models
| Zündapp |
Accessories & related products
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Collection only possible with online purchase and appointment.
