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Sep 16, 2021 · Most owner's manuals have step-by-step winterization instructions. 2. Find any missing manual online at Stern Drive Manuals. 3. Plan ahead and be aware that your engine has dangerous moving parts. 4. Perform a good tune-up to ensure the engine is running OK. Engine problems become worse while the engine sits. 5.
- 1. Read your engine's owner's manual and all safety precautions. Most owner's manuals have step-by-step winterization instructions.
- 5. Haul the boat out and clean the running gear, hull and sides.
- 6. Remove your hull drain plug while stored on land.
- 7. Run your engine on the garden hose with a good flushette to flush out any old salt water that might be sitting in the block and exhaust. Some ow...
- 8. Add fuel stabilizer to your fuel tank and run the engine long enough to allow the stabilizer to get into the engine's fuel system.
- 9. Follow the directions for winterization and fuel stabilization in your engine owner's manual. Some people prefer to "fog" the engine. With the e...
- 10. Locate all your engine's water drain plugs and hoses. For stern drive and inboard engines such as Mercruiser models the drain plugs are either...
- 11. Remove the drain plugs located on either side of the engine block.
- 12. Make sure that when you remove the drain plug that the water drains and that the passage is not plugged with rust.
- 13. Remove the drain plugs from the bottom of each exhaust manifold and make sure the passages are not plugged or clogged. Some models have drain p...
Freeze Protection. Drain the engine seawater cooling system, following the instructions for your engine. Then fill the seawater cooling system with propylene glycol mixed to the manufacturer's recommendation to protect the engine to the lowest temperature to which it will be exposed. This will also prevent the formation of exfoliating rust in ...
Aug 11, 2011 · Disconnect the hose from the main tank at the filter. Connect the remote tank and run for five minutes at 1,300 rpm. Shut down and replace the oil, filter and fuel filter. 2. Draining the Raw Water. Fully drain the raw-water side of a closed-cooled engine, including the manifolds, seawater pump and heat exchanger.
Oct 13, 2015 · Mercury MerCruiser Sterndrives & Engines . 5.7 Bravo Winterization ... 5.7 Bravo Winterization. Thread starter tpw99; Start date Oct 13, 2015; T. tpw99 Cadet. Joined ...
