How often to change oil in mercury 4 stroke outboard

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The best four stroke oil will provide your boats outboard the lubrication it needs to perform at its best when out at sea. Can You Use Motor Oil in a 4 Stroke Outboard? Mercury also sells its own branded oil filter to protect the engine from dirt build-up and should be replaced at the same time as...

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How Often Should You Change Your Outboard Lower Unit Oil? Without regular lower unit oil changes, you run the risk of damage occurring in the engine. Usually, repairing these sorts of issues is expensive, and it's worth the smaller investment of your time and money to tend to your oil changes...

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Heard somewhere that you must use "marine" grade oil in the crankcase of a 4-stroke outboard. I can buy it alright, but it's like 3-4 times as much as a premium automotive oil. Can anyone tell me if there is a difference between automotive...Winterize your 2-stroke out board motor so itll fire up first time come springtime. See how to winterize an outboard here. Winterizing a 2-Stroke Outboard: Lower Unit Oil Change. Mercury recommends the gearcase lube be changed every 100 hours or once per year.

Four Stroke Outboard Limited Warranty. UNITED STATES AND CANADA Outside the United States and Canada ‑ Check with your local distributor. WHAT IS COVERED: Mercury Marine warrants its new products to be free of defects in material and workmanship during the period described below.