Information: My RX50 is not so 50 anymore : ).
awrite i got: Airsal Cylinder 70ccm ; Dell´Orto PHVB 19mm (92 mainjet); Gianelli exhaust (tuned); Malossi reedvalves
topspeed about 115-120km/h :P
optical: removed decals in the back and put some numbers on it (182 on each side). black taillight and black turn signals. removed reflector under number plate. i think that was evrything : )