That is weird - crack on one side but not broken. Does your part look like this (see attachment) then I'd say they had a general production problem with that part.
Just before reading your post I had the idea about reconfiguring to tiller myself this morning. The problem is I just bought an...
The last time I took out my boat with some friends the steering system had a failure and we had almost no steering just under the Golden Gate bridge.
When I later investigated the problem it turned out that a frame of a pulley of the steering system broke and the pulley got pushed in and the...