choke? newbie

  1. W

    4 stroke engine question

    I just installed a 49cc 4 stroke engine onto an old mtb I picked up. This is my first 4 stroke and I'm wondering how to fill it up with gas. The engine has a dipstick for oil, so does that mean I don't need to make a mixture? Just add oil in the dipstick and gas in the tank? When starting I...