cavitation

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    Cavitating Tohatsu 3.5hp 4-stroke on Zodiac Zoom Air

    Hi there, I have a ten-year-old Tohatsu 3.5hp 4-stroke mid-length shaft that cavitates like crazy as soon as I get on step on my 8' zodiac Zoom air inflatable. Adjusting the shaft tile to fully vertical helped a bit, I've tried mounting it higher and lower, and the propeller is apparently...