I have a 2001 Grady 265 with twin Yamaha 2001 HPDI 200’s. Motors have approximately 1800 hours on both. Blew up a questionable, used Port LU last month. I’m waiting patiently for the only available OEM Yamaha HPDI LU in Japan. I have a spare LU that I resealed, but nicked the prop shaft...