coupler questions

Any insight would be appreciated. I recently purchased a used 1994 230DA and I'm just beside myself right now. After about the third short trip out on the boat the coupler failed on me. I just had the coupler replaced last month, a $$$$ job, and took the boat out yesterday for the second...

So I just bought this bought, great shape and only 120 hours on motor on this 2003 sundeck 220. So I take boat to my local Marine Max here in MN to get everything checked over. I get a call from the service guy saying the bolt that hold the engine mount on the port side broke and came out of...