hmm,i like your comments uzair bro,my bike also goes smoothly,i have drived it on 120 ,3 or 4 times,it ran v.well,and as you said that a small difference now in the sound,same here too,my bike,s sound is also only a bit changed,buy ASAL MAZA WOHI SHARP sound ka hai,i also use havoline oil,but this time i used another caltex revtex oil,my bike is working v.well.....