This year the boat speed paddlewheel on my Nexus Classic system seems to be binding. I get 0 boat speed when motoring at 3-4 kts and it finally starts to read when the boat accelerates to 5-6 kts, but it shows the boat speed ~ 4 kts. I pulled the paddlewheel and left it sitting in a cup of fresh water for several days to loosen any shrimp and other potential aquatic growth and then used a tooth bush on it to clean it. I can spin the paddlewheel by flicking my finger on it but still slows then stops much more quickly than it used to.
I cannot see anything that might be binding the paddlewheel. Any suggestions? Soak it in dilute white vinegar? Spray McLube on it? The unit / system is long time discontinued so getting a replacement is not possible. TIA, Brian
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