How tight shouldTohatsu 40 hp prop be?

Discussion in 'Vehicles, Boats, Campers, & ATVs' started by aschroeder1, Dec 22, 2012.

  1. aschroeder1

    aschroeder1 Well-Known Member

    I noticed that the prop on the motor had come loose. I could take the nut off with my fingers. The cauter key was the only thing keeping it from coming off. How tight should I tighten it. I tried to google it and could not find what I needed. It's a 2012 tohatsu 40 long shaft tiller.
  2. clarkduck

    clarkduck Well-Known Member

    This might not be the case for the motor you have but Ive always been told not to over tighten the castle nut. Tighten it just enough to match the hole up with a groove in the castle nut.