That's excellent service.
Some techinical questions. I'm just curious
Any idea why they failed? What engines and drives do you have? Usually couplers fail due to lack of grease on the splines or mis-aligment of the engine to the drive. If mis-alignment caused the failure, I hope they replaced the gimbal bearings as well. At least they can be replaced with the engines in the boat if they did not replace them.
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