i bought 2nd dink 150.. at first it run smoothly but the time i´ve change the fuel pump.. the ave speed of it as on 65-76 / and it reached 10,000rpm. i don´t know its problem, i already brought in too many auto shop but they can´t fix it. 2nd problem was my rear wheel is always wiggle. is it that i need may tire to be replace or there´s a problem in my swing arm or in shock absorber.. pls help me.. tnx