help starting bike

I recently went on a 2-3 mile trip on my bike, just riding around with a friend. I dropped my allen key set, went to go pick it up, and and soon as I picked it up my bike shut off. Since then, I haven't been able to get it to start. I drained all the fuel, put new gas in, replaced the...

2-stroke engine, hard to start up, I changed the spark plug. And still... This is what happens when I try to start it: So I get some speed then release the clutch to engage the engine. However, right after I release the clutch the bike slows down as if I pulled the brakes. So the engine does...