bhai jan zindagi jeenay k do he tareeqay hain, ya to chup chap honay do jo hota hy, yah fair badlo ......ap front wheel k sath extra motor lagwa lain, hi speed DC motor can be added , bas jab ap say agay nikalnay lagay ap nay button dabana hy , apki bike 120 ki speed say niklay gi , engine modification ki zarurat ni, aor kuch b na karan , button dabaye rkhnay ki surat nuksan k zimadar ap kud hongay main ni.