Hello sir AM A SECOND HAND BIKES SELLER I'VE PLATINA 125 2010 MODEL BI

Hello sir AM A SECOND HAND BIKES SELLER I'VE PLATINA 125 2010 MODEL BIKE THE BIKE VE A PROBLEM IS THE KICKER IS TITE AND RETURN THE OPPESES AND IDEAL SLOW SPEED NOT STABLE WHEN I TRY TO DOWN THE IDEAL SPEED THE ENGINE WAS STOPPED,, CURRENT COMES GOOD SIR WHAT PROBLEM THIS SIR PLEASE HELP ME

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