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Fueling Up for the Winter

As the weather changes, it is time to start thinking about winterizing your equipment. Depending on the frequency you will be using your saw throughout the winter, these 3 fuel-related strategies will help see your equipment through the cold season.

1. Storing for the Winter –

If you are not going to be using your equipment during the winter, you should run the fuel out of it completely. Stihl recommends using MotoMix®, a premixed fuel, after draining the previous gas. Run the MotoMix® until it is completely gone to ensure there is no more of the old fuel in the tank. To learn more about MotoMix® click here.


2. Infrequent Use –

If you plan on only using your saw a handful of times this winter it is a good idea to use MotoMix® as your primary fuel. Stihl’s premixed fuel provides an extended storage life that lasts longer than ethanol-based fuel. It also prevents phase-separation, where fuel and the water in fuel split into two layers. Ethanol attracts 50% more water than pure fuel due to the water attraction properties of alcohol present in ethanol, increasing the chance of phase-separation. When this happens the layer of water can corrode the bottom of the tank when sitting for too long. Once the engine is started, it runs the layer of water through first, creating a potential for internal saw damage. MotoMix® eliminates this problem by using high-octane motor fuel and their highest-quality oil. If you are going to be putting your saw on the shelf for more than 2 weeks you should avoid using any fuel containing ethanol. Below is an example of phase-separation:Fueling Up for the Winter

3. Frequent Use –

If you plan to be using your saw weekly, stick with non-oxygenated fuel. This is the best way to dodge phase-separation. Even sitting for only a few days, changes in temperature creates more water buildup in the tank. When fueling up your saw, always use ethanol-free fuel whether that be non-oxygenated fuel or MotoMix®.

Pick up your MotoMix® at Esch Construction Supply, Inc., or contact your sales rep. Additional recommendations and fuel guidelines can be found in your owner’s manual, and as always, feel free to contact our service team for questions about storing and winterizing your equipment. (800) 233-8655.