crankshaft Top Racing for Sachs, Hercules 503, 50/2, 2-speed

Top Racing crankshaft suitable for Sachs or Hercules 503, 50/2, 2-speed.

Difference to Sachs 3- / 4-speed crankshaft with part number 44015: cheek pin diameter is smaller (E15 bearing must be used).

The crankshaft can also be used on Sachs 503 engines. Attention, the drive wheel can drag on the housing here, with 1.5mm spacers the problem can be solved.

Technical data:

• Ignition-side cheek pin overall length: 64mm
• Ignition-side cheek pin diameter: 15mm
• Clutch-side cheek pin overall length: 41.2mm
• 1st shoulder - cheek pin on clutch side - diameter: 15mm
• 2nd shoulder - cheek pin on clutch side - diameter: 12mm
• Thread on both sides: M10x1mm
• Suitable for 12mm gudgeon pin.