1. Idle with black smoke.
2. Engine jerk when idling.
3. spark plug goes black and after replacement its ok for a while but later will be like running on 3 cyl.
4. Changed plug ...
I would like to remove the front bumper of my Wira aeroback 1.5/95 to check on the horn. Can anyone tell me how to do this.Step by step guys. Appreciate it