High-quality reproduction of the crankshaft type for the old Vespa engines with nose piston and direct intake on the cylinder.
This was used in the vehicles that had a three-digit chassis prefix for the first time (VNA)

  • Intake type: Slot-controlled cylinder intake
  • Crankshaft type: Full cheek
  • Stroke: 54.0mm
  • Connecting rod: 105.0mm
  • Piston pin Ø: 15mm
  • Connecting rod pin bottom Ø: 18mm
OEM numbers (for comparison purposes only)
Scooter Center:
GB187
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