| Buying Used Outboard Power: Inspecting the Lower Unit |
From "Shipshape Boating"
episode DSSB-205 |
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In this segment of DIY's Shipshape Boating, host John Greviskis examines the condition of the gear case on a used outboard motor.
- Using a large straight slotted screwdriver, back out the level screw towards the top of the gear case to relieve the pressure that has built up (figure A). Then tighten the screw back down.
- Take out the fill screw (located on the bottom of the lower unit -- (figure B), allowing just a few drops of oil drip into a pan.
- Before replacing the screw in the lower unit, notice if any chunks of metal are on the end of the screw (figure C). If there are, it could be that the gears are grinding against each other meaning major repairs are in its future.
- Check the oil in the pan for discoloration. If it is milky white, then water has leaked inside. What you want to see is dark colored oil.
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