hey i hav a cbr 125cc aswell an i would like to make it go faster as well b cuz my bike keeps on cuttin out when eva i go past 120km/h. so if u can explain to me wat is a big bore kit is an what spockets should i get for the front an back sprocket an wat performance should i get???

thx..
Ross

Ross, January 2007

the cdi ignition unit will cut the spark out when it reaches a certain amount off revs which is what the cutting out is,get a big bore kit for it 170cc is availabe i think and get the front sprocket 2 teeth bigger this will give the top end speed increase ok.

adam, January 2007