Regular oil changes are important for keeping your Harley-Davidson motorcycle running smoothly. Waiting too long can cause the oil to become dirty or degrade, which can in turn lead to potentially catastrophic engine failure. There are several different kinds of oil out there for you to consider: 20W-50 is the standard for most V-Twin engines, but your motorcycle should list the weight and type of oil that it takes in your owner’s manual. Anything that fits those specifications should work
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