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Crankshaft Schmitt "Dampfhammer" for racing and engines with high peak power. This premium crankshaft has 44mm stroke and a 85mm CNC machined forged connecting rod. Schmitt defines the range of application of this crankshaft on Big Bore engines from 80-110cc displacement suitable for Simson S51, S70, S83 with M500, M700 engine cases.
The technical highlights at a glance:
The technical highlights at a glance:
- optimized pre-compression for a wide torque band, suitable from 80cc to 110cc displacement .
- optimal balance factor of 65%
- High strength, yet lightweight (<70g) forged connecting rod- CNC machined, for large 17mm needle bearing on piston pin .
- Larger silver plated piston pin bearing 12x17x15mm for 12mm piston pin included .
- The upper and lower needle bearings are optimally lubricated by several extra large holes in the connecting rod .
- Expanded crankshaft stub on the clutch side for an optional 3rd crankshaft bearing .
- Lower guided connecting rod with again reinforced interference fit and larger connecting rod eye .
- 10-15% heavier than stock crankshaft .
- Rotation speed resistant >15,000 rpm
- manufactured from 14NiCrMo13 steel
- Developed in Germany- manufactured in Europe
