olympia rizzato califfo piston

olympia 41mm replacement piston for rizzato califfo mopeds. for the olympia 41mm rizzato kits + should work in other rizzato kits like polini and others

comes with piston, 41mm x 1.5mm FG rings, wrist pin and clips

1) Distance from top of head to center of wrist pin - 25mm
2) Distance from bottom of piston to center of wrist pin - 23mm
3) Distance from top of head to boost port window on piston skirt - 14mm
4) Depth and width (circumference length) of boost port window on piston skirt - 14mm x 6mm

treatland