Hello I am new to 2-strokes so I need the help. Okay so heres my problem; I ride for about 30 minutes and everything is fine and the bike runs well. Then when I get off and come back to start it up again it won't start. If I wait a couple of hours or so sometimes I can get it to fire, but after about 100 yards it starts to bog down and stops. After that I can't get it to fire at all. When I put in a knew spark plug the whole cycle repeats itself. Also, oil is dripping out my silencer. I have cleaned the carb, still no dice. I was using BR9ES plugs. After doing research I bought BR8ES plugs to see if that will fix the problem. If anyone has any ideas to fix my issue that would be wonderful.