Original spare part in the usual good original equipment manufacturer quality. The manufacturing accuracy as well as the materials used are of the highest quality.
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Piston pin
Diameter
16 mm
 
Crankshafts
Stroke
63 mm
Crankcase must be spindled
nein
Motor housing must be modified
nein
Rotary vane crankshaft
nein
Full cheek crankshaft
nein
Diameter of sealing ring seat on alternator side
20 mm
Diameter of sealing ring seat on drive side
24 mm
 
OEM numbers (for comparison purposes only)
Piaggio:
1A013591R02, 8729755002
Scooter Center:
1872975