pulsor 220f deceleration is not constant or smooth. it gives hiccups while riding(deceleration). main problem is i am at top of the hill now i am comming down at particular gear now my bike is decelerating.engine noise is not constant. deceleration is not smooth.and also not enough power at gears. some times deceleration becomes smooth.and bike feels great power at every gears and sound from the engine also comes great!i happened some time but now same problem.i think bike has a problem with gear box. i think gears are not totally locked up. plz help me.