NEATO! I love helicoils. Used them more times than I'd like to admit, considering I only work on my own boats and that of one or two friends.
Is this a new problem?
Yes rotation matters. If you change rotation you should move the helm as well. Your rudder is offset and it will need to be moved too. Add a new propeller
Ooops! I mean with red and yellow. E.
(Reference my Oct 6, 2014 post regarding the d3l, also) Brian, your message was very careful and very helpful. Although the manual that came with my