I recently bought a used rc 390 and it turned on fine the first few times and rode it for about 3 hours, but on the way home, the engine just shuts off and once on the side of the road it wouldn't start again. I tired until the battery was almost dead, I picked it up a few days later and still...

hi guys, i have a problem.. my bike is KTM sx 250 2013.. im new to 2 strokes and jetting.. and my spark plug fails, when i look at the sparkplug it seems it runs a little bit lean.. and it last 3 hours.. then the bike dies and wont start.. it isnt real black its lightcolored. When i check for...