News & Updates

How Does AMSOIL Perform in the Harley-Davidson Milwaukee-Eight?

2016 saw the introduction of Harley’s Milwaukee-Eight V-twin engine increasing power and lowering the heat of the engine—so how does AMSOIL work in the Harley engine?

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Harley V-Twin Oil Change Kits

A few popular requests from V-twin riders include kits for newer Harley motorcycles with the Milwaukee-Eight* engine and kits with a black filter option in addition to chrome.

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What is Break-In Oil & Why/When Should It Be Used?

Keeping an engine up to date is a consistent fight against deterioration. This wear on your engine can lead to not only costly damage, but a reduction in compression—which can compromise your engine’s power.

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How to Keep Your Marine Motor Running Well Long-Term

Hear from an AMSOIL Mechanical Lab technician about potential marine motor issues and what is necessary to make sure their motors perform exceptionally for years to come.

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Finding the Best Diesel Oil

Purchasing a diesel truck is a significant investment, and you don’t want to compromise when it comes to protection. AMSOIL’s diesel oils are among the best in the market, delivering optimum diesel engine protection, effectively preserving the horsepower you desire and keeping you on the road.

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How Oil is Impacted by Start-Stop Engines

Almost all technologies influencing the auto industry have one common goal: the best possible fuel economy. Start-stop engines are another means car manufacturers have at their disposal to make sure vehicles adhere to tomorrow’s increasing fuel-economy regulations.

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Extend Turbodiesel Engine Life

Turbodiesel vehicles have established a loyal customer base in North America. Follow these sound maintenance practices to extend the life of these powerful and expensive engines...

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Reduce Costs & Maximize Cold-Weather Reliability with Fuel Additives

Motorists favor diesels for their towing capacity, fuel efficiency and excellent durability. But cost of ownership and cold weather can pose challenges. As performance concentrates, AMSOIL diesel fuel additives help reduce overall costs and combat the negative effects of cold temperatures...

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Why Motor Oil Deteriorates

Like just about everything else, motor oil has a lifespan. Even the best oils eventually require you to change them. Historically, many motorists like the convenience of changing oil with the seasons, visiting the quick lube or pulling the ramps out of their garage each spring and fall...

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A Victory for Consumer Freedom

AMSOIL continues to fight the false narrative advanced by some original equipment manufacturers (OEMs) that you must use the OEM brand of parts and lubricants in your vehicles and equipment to maintain your new-vehicle warranties...

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Optimum ATV Life & Performance

ATVs and UTVs used for racing, trail riding, heavy hauling and nearly every other application share at least one trait: they pose significant challenges to the fluids that protect them. Despite spending thousands to purchase and modify their machines, some enthusiasts mistakenly see no reason for using premium fluids when performing service...

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New ATV/UTV Oil Change Kits Offer Maximum Convenience

AMSOIL ATV/UTV Oil Change Kits combine everything needed to perform an oil change on the most popular models of Polaris ATVs and UTVs in one convenient package...

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Internal Diesel Injector Deposits: A New Twist on an Old Problem

Advancements in diesel fuel delivery systems have resulted in more power, improved fuel economy and fewer emissions. But one challenge remains: performance-robbing deposits. AMSOIL diesel fuel additives address the problem...

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