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Recent content by stenzo

  1. S

    lower shaft repaired, now have RPM issue... thoughts?

    Yamaha F90 I hit a shoal and bent the drive shaft, Marina repaired and now the boat RPM is much higher than normal! ie. full throttle/speed 6400 rpm now aprox 7500rpm. My thoughts and tests: - The New prop has the same stamp for size/pitch as the old one (could prop be stamped wrong?) - hooked...
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