franco morini 4v S4 stock piston - 40.40mm
franco morini 4v S4 stock piston - 40.40mm
 
  $59.99

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replacement franco morini 4v S4 stock piston for cast iron cylinders!!!

40.4mm with top dykes ring!

some measurements:
12mm wrist pin
overall height including piston crown/dome: 53mm
bottom of piston to top outer edge: 49.3mm
wrist pin center to top of piston (excluding dome): 28mm

  rate this moped part be the first!