Yesterday I decided to go for a small ride. I took it out. I did the routine but 1st kick didnt start(I didnt kick hard enough,lazy)So I tried again and it was WOULD NOT GET TO THE COMPRESSION STROKE?Some how after awile it started AND i GAVE IT A COUPLE REVS AND BLACK SMOKE CAME OUT? BUT I TOOK IT FOR A SMALL RIDE AND RAN FINE? wHAT WAS WRONG?