Winterization Tips from Yamaha Outboards

  Winterization Tips from Yamaha Outboards

By Craig Lamb

Every hardcore angler wants to go fishing at the first sign of warm weather in spring. The last thing any fisherman wants is cutting a trip short because of mechanical problems with an outboard engine.


The best way to avoid problems, and enjoy trouble-free time on the water, is by preparing ahead of time. That begins now. Preparing for extended storage efficiently and effectively means you’ll have a worry- and hassle-free experience when you return to using your outboard, according to the experts at Yamaha Outboards. Now is the time for performing extended winter storage. Don’t wait to call your dealer to schedule winterization. The threat of the season’s first hard freeze makes it too late, and damage can occur to the parts. Before taking the boat to the dealer for service, a few do-it-yourself chores will make the job easier and less costly. Give your boat and outboard a good cleaning inside and out, while it’s not so hot outdoors. Make sure all storage compartments and anywhere else subject to holding water is completely dry. Make a list of questions to ask the service technician. They can be helpful in educating you about best practices for care in the future. If you have a skill for DIY projects then now is the time to take care of business. Take care of the fuel if you intended to store it with fuel in the tank.

Yamaha also recommends storing with the tank 7/8 full of fuel to prevent excess accumulation of condensation. Use a quality marine formula fuel conditioner and stabilizer. Here’s why. Ethanol-laced fuel has changed some of the rules for winterizing marine gasoline systems. When prepping a boat for winter storage, boat owners must now do all they can to avoid phase separation — a phenomenon in which ethanol combines with water and separates from gasoline, descending in a soupy goop to the bottom of the tank. While this can occur at any time, it is more likely to happen when gas is stored for long periods. A good choice for this task is Yamalube Fuel Stabilizer & Conditioner PLUS. Be sure to thoroughly course it through the entire fuel system prior to shut down. maintenancematters_homebanner-final2

Now is the time to change the oil and oil filter. Or better put, get rid of that nasty oil that has collected over the season of use. The longer it stays in the engine, and especially in cold temperatures, the worse off things will be come spring. Read more here about how to change the oil and perform related maintenance. Continue by changing the onboard 10-micron fuel filter, especially if you run ethanol-laced fuels. You don’t want debris or water left inside the filter, which of course, can freeze during winter. Fogging oil helps protect vital internal engine components during down time. The oil works by coating parts with a thick, petroleum-based lubricant. That helps prevent corrosion from forming and protects during start-up.

For the best coverage use Yamalube EFI Fogging Oil. It’s an additive you put in a small tank of fuel and run through the outboard to properly lubricate the internal components. For two-stroke EFI outboards a good choice is Yamalube Stor-Rite Engine Fogging Oil. For tips on fogging your outboard watch this video. Finally, be sure to store the boat with the batteries fully charged. Have the batteries load tested to make sure they are ready come spring, and keep them charged monthly if possible. Even better, remove the batteries and store indoors if you plan to store the boat outside.   Find details of these extended storage tips here. For more maintenance tips check out You’ll find information about corrosion prevention, fuel and fuel systems, electrical systems, propeller solutions and more. Maintenance Matters® is a simple guide for extending the longevity of your Yamaha Outboard.    


Original Source: Sportsmans

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