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LOWER UNIT
Needing to know what lower unit on my Mercury 250 Pro XS
Serial# 1B868018
Wanting to rebuild unit, looking for parts. Thanks for any help
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A lower unit rebuild is not a DIY job.....there are many specialized tools involved.
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Mercury 3L/4 Stroke/Verado Moderator
Gen-1 Torquemaster Gearcase.
DEFINITELY agree. Requires numerous specialty tools specific to this HP gearcase series, appropriate service manual, a good working knowledge of shims and dial indicators, and at least a quart of patience.