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.
4 articles for “block drain”
MerCruiser Winterization (Raw-Water-Cooled)
... 2. **Drain the raw water system.** Locate every drain point: block drains (both sides ...
MerCruisersterndrive
Sterndrive Spring Recommissioning Checklist
... drain evidence, ask for records. If unknown, inspect for freeze cracks along the block ...
sterndrive
Mercury Outboard Water Pump / Impeller Replacement
... Support the engine, drain nothing — this is a dry job. Remove the lower unit ...
Mercuryoutboard
Outboard Fuel Pump Diagnosis: Lift Pumps, VSTs, and Primer Bulbs
... 2. **Bulb collapses flat:** blockage upstream — clogged tank pickup, kinked line, blocked anti-siphon ...
outboard
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