Kallum Higginbotham opened the scoring for the visitors in the 17th minute. Mason Roberston completed the tally in the 82nd minute.
It was RKFC”s second win on the trot, which moved them to the fifth spot in the standings with 12 points from eight matches.
RKFC were the more dominant side right from the kick-off and they went ahead through Higginbotham”s good finish.
The Englishman received a pass from Robertson and unleashed a right-footed shot from the centre of the box which crashed into the bottom left corner.
RKFC kept a tight hold over the proceedings and went in to the break leading by a goal.