The Marine Knowledge Network
Field write-ups from real jobs - what broke, what fixed it, torque specs and part numbers included. Ask it a question; specs answer inline.
5 articles for “lower unit”
Suzuki DF Lower Unit Oil Change and Water Intrusion Signs
... Remove the lower **drain/fill** plug first, then the upper **vent** plug. Removing the ...
SuzukiDF-seriesfour-stroke outboard
Mercury Outboard Water Pump / Impeller Replacement
## Why it matters The rubber impeller in the lower unit is the heart of ...
Mercuryoutboard
The On-Water Diagnosis Kit: What's Actually in the Bag
... EFI rails - Vacuum/pressure hand pump (lower unit seal testing, fuel primer checks) - Infrared ...
Transom Rot Assessment: Do This Before You Hang an Engine
... or by pushing down on the lower unit / lifting the skeg carefully), watch the ...
MerCruiser Raw Water Impeller: Alpha vs Bravo Differences
... The pump sits atop the lower unit: remove housing, impeller, wear face, and gaskets ...
MerCruiserAlpha / Bravosterndrive
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