It starts run revs fine in neutral. Shift it into first and it bogs and dies when I gun it. But if I shift into first and gas it easy it builds up speed and goes but will bog oIt starts run revs fine in neutral. Shift it into first and it bogs and dies when I gun it. But if I shift into first and gas it easy it builds up speed and goes but will bog out driving up hill or any stressfull Lil hills ut driving up hill or any stressfull Lil hills I can drive straight no problem I really can't explain it better then that