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  1. R

    97 mercury 40 h.p. high rpm low speed

    Should you be able to hand spin prop, on trailer with the shift lever in forward position? It seems to make a clicking sound when hand spinning. I thought it might be a bad prop hub, but I have changed to different props, even a bran new one. On the water the rpm on the tach are in the high 5s...
  2. R

    97 40hp merc

    With boat on trailer, gear shift lever in forward(not running) I can hand spin prop forward, but not in reverse. I makes a clicking sound when hand spinning. In the water I have high rpm but no speed. Have changed prop three different times, with different pitches. Is this something that I can...
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