I have two 2003 DF140's, both engines have gone through two lower units each (4 lower units), they continue to crack near the prop where the bearing carrier meets the gear case housing, infamous " J " crack.
I have been told this is due to heat/expansion/corrosion, however, the last set of lower units have less than 50 hours on them and have been flushed religiously.
Initially I thought the first set of lower units that cracked were due to the previous owners neglect for proper care, but the second set of lower units completely under my watch and taken care of cracked in less than 50 hours.
I am reluctant to spend the money and replace the lower units again without knowing what is causing this to crack, specially with little to no usage.
I am at a point now where i have spent half as much as a new engine would cost just in lower units and considering a re-power with another brand (Mercury, Evinrude or Yamaha) and walking away from Suzuki
In my 30 years of boat ownership I have never seen anything like this
I have been told this is due to heat/expansion/corrosion, however, the last set of lower units have less than 50 hours on them and have been flushed religiously.
Initially I thought the first set of lower units that cracked were due to the previous owners neglect for proper care, but the second set of lower units completely under my watch and taken care of cracked in less than 50 hours.
I am reluctant to spend the money and replace the lower units again without knowing what is causing this to crack, specially with little to no usage.
I am at a point now where i have spent half as much as a new engine would cost just in lower units and considering a re-power with another brand (Mercury, Evinrude or Yamaha) and walking away from Suzuki
In my 30 years of boat ownership I have never seen anything like this
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