waseem ager 4th gear main shor hay but in runnin good hay to abhi kuch bi na karo or bike chalao......coz gear ko dekhnay k liay poora engine khulay ga and then will decide k kya change kerna hay........is liay jab tak chal rahi hay chalao....jahan tak piston ki bat hay ......i already said k helpers k sath zyada na chalana when u feel k aub bike ka pickup acha nahi raha then bore kerwalena.......