about a week ago my son added some oil to his bike then a few days later he said that it was stalling out on him i had check the oil and i guess that he had put to much in. when i checked it allover i had noticed that there was oil in where the air filter was . i cleand the filter put oil back in and now it will run for a bit then quit then it wont start at all
need some help i do have some mechanical knowledge but aint no mechanic