Section 5 - Storage
Page 82 90-8M0113857 eng DECEMBER 2015
1. Place the boat on a level surface to ensure complete draining of the system.
2. Remove three blue drain plugs: one from the distribution housing (lower front, port side) and two from the seawater pickup
pump (front, starboard side).
a - Blue drain plug
3. Verify that water is draining from each opening.
4. Allow the system to drain for a minimum of five minutes. We recommend leaving the drain system open while transporting
the boat or performing other maintenance to ensure that all water is drained.
5. Crank the engine over slightly with the starter motor to purge any water trapped in the seawater pickup pump. Do not allow
the engine to start.
6. Before launching the boat or starting the engine, close the drain system by installing the three blue drain plugs.
Draining Water from the Gen III Cool Fuel Module
Mercury MerCruiser recommends draining the Gen III Cool Fuel Module if it is equipped with a drain plug.
1. Remove the drain plug from the Gen III Cool Fuel Module and allow the water to completely drain from the module.
2. Inspect the drain plug and the O‑ring for damage. Replace if needed.
3. Place the O‑ring on the drain plug and install the drain plug in the module drain hole. Tighten the drain plug to finger‑tight.
a - Gen III Cool Fuel Module
b - Fuel in‑line fitting
c - Drain plug
d - O‑ring
Draining the Sterndrive
NOTE: This procedure is needed only for salty, brackish, mineral‑laden, or polluted water applications; and for freezing
temperatures or extended storage.
a
a
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