SPEEDFIGHT 100

I HAVE A SPEEDFIGHT 2 100 WITH

RACING SPRING SET for ORIG.CLUTCH SCOOTE R/MAXI SCOOTER MALOSSI

SPARK PLUG DENSO IRIDIUM IW 27 MALOSSI

ALUMIN-CYLINDER Ø 55 PIN Ø 14 (120CC) MALOSSI

CARB.KIT PHBG 21 BS PEUGEOT 100 MALOSSI

VAR. MULTIVAR 2000 PEUG. 100 FOR NO KAT MALOSSI

X KEVLAR belt for SCOOTER MALOSSI

RED AIR FILTER MALOSSI

SPEED CLUTCH POLINI

SPEED BELL POLINI

BUT  I HAVE A DOUBT ABOUT THE EXHAUST WHICH IS THE BEST?, I DONT KNOW IF BUY A TECNIGAS RS2 OR  A BIGONE SPORT 2

 

PLEASE HELP ME

some body told me, for 120 cc is better a 28mm carburetor thats true?