Harley Davidson Shifts Gears on Synthetic Motorcycle oil

Harley Davidson Shifts Gears on Synthetic Motorcycle oil

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The recent introduction of Screaming' Eagle Synthetic Lubricant by Harley Davidson indicates the Motor Company has finally recognized the benefits of running synthetic motorcycle oil in their air-cooled engines.

After years of advising dealers and customers to avoid using synthetic engine oil in their bikes, it’s natural to wonder why the company is suddenly marketing one.

For the past 20 years, Harley Davidson has claimed its petroleum-based Genuine H-D Oil is best for the "unique requirements of Harley Davidson air-cooled V-twin engines." However, laboratory testing has consistently revealed that Genuine H-D Oil does not provide the best protection possible for Harley Davidson engines. In fact, industry standard Four-Ball Wear Tests show Harley
Davidson 20W-50 Motorcycle Oil leaves a wear scar in the test bearing that is over 50 percent larger than that by AMSOIL Synthetic 20W-50 Motorcycle Oil proving AMSOIL is superior.

Harley Davidson/AMSOIL Oil Chart One of the major benefits of running a synthetic motorcycle oil is its resistance to oxidation and thermal degradation, which inhibit the formation of sludge and deposits that contribute to increased wear. In the past, Harley Davidson has defended use of its Genuine HD oil by arguing that oil breakdown in extreme heat is a non-issue because extreme heat conditions are not normally faced by motorcycle engines, while the superior cold-temperature benefits of synthetics also don’t apply to Harleys.

The fact is Harley Davidson motorcycles are subjected to very high temperatures because they are air-cooled. Harley Davidson engines get especially hot while idling in traffic, commonly reaching temperatures up to 240 degrees Fahrenheit. Heat is your enemy and as the heat increases so does the oxidation with petroleum Harley Oil. Along with the fact that the viscosity of petroleum oil drops as the heat goes up, adversely affecting the lubricating qualities of the oil and increasing wear. AMSOIL maintains it's viscosity over a much wider temperature range improving the lubrication and keeping the engine cooler.

The water, soot and acid byproducts of combustion also contribute to deposit formation. Harley Davidson has stressed the importance of regular oil changes in order to remove these contaminants. Of course, promoting regular oil changes is also a good way to promote using petroleum-based Genuine H-D oil.

High quality synthetic engine oil formulated with high-performance additives effectively withstand such contaminants, allowing motorcyclists to safely extend drain intervals.

In support of their about-face and the introduction of a synthetic engine oil, Harley maintains that the Motor Company has never supported the use of synthetic products in our vehicles because there has never been any test validations completed on the numerous formulations in HD/Buell motorcycles. This product has been exclusively designed for Harley Davidson and is the only synthetic product TESTED and CERTIFIED by Harley Davidson engineering for use in HD/Buell motorcycles.

Although this is necessary marketing hype, Harley Davidson V-twin air-cooled engines are not unique in their lubrication requirements and do not require a special Harley-only fluid. There is nothing about Screaming' Eagle Synthetic Motorcycle oil that sets it apart from, or makes it better than, many other synthetic motorcycle oil formulations, except that Harley Davidson is marketing it and directly profiting from the sales.

According to Harley Davidson, one of the unique benefits offered by Screaming' Eagle Synthetic Motorcycle oil is its versatility. For the first time the company is recommending an oil that can be used in the engines, primary chain cases and transmissions of most Harley Davidson motorcycles, including Evolution XL, Evolution 1340, Twin Cam 88 and 88B, Revolution and Buell models. This feature, however, is not unique. AMSOIL 20W-50 Synthetic Motorcycle oil may also be used in the engines, primary chain cases and transmissions of these applications, providing superior lubricating protection in each component.


How does Screaming' Eagle Synthetic Motorcycle oil measure up to AMSOIL in wear protection? Four-Ball

Wear Test results indicate that AMSOIL Synthetic Motorcycle oil still provides the best protection possible for motorcycles. In fact, Screaming' Eagle Synthetic Motorcycle oil leaves a wear scar nearly 80 percent larger than AMSOIL 20W-50 Synthetic Motorcycle oil.

Not only does AMSOIL Synthetic Motorcycle oil offer greater wear protection than Screaming' Eagle Synthetic Motorcycle oil, it also delivers greater value. Suggested retail price of Screaming' Eagle is nearly $2 a quart higher than AMSOIL 20W-50 Motorcycle oil. And because AMSOIL Synthetic Motorcycle oil may be used for extended drain intervals of up to twice the manufacturer’s suggested interval, while Screaming' Eagle is recommended for standard drain intervals, AMSOIL customers realize additional savings. Harley Davidson claims Screaming' Eagle Synthetic Motorcycle oil has been "exclusively designed" for use in their motorcycles, pointing to extensive bench testing and over 230,000 miles of durability testing to back it up.

AMSOIL. has 30 years of experience providing superior lubricating protection for all brands of motorcycles, and AMSOIL Synthetic Motorcycle Oil have been tested in millions of over-the-road miles.

Testimonials from countless motorcyclists further demonstrate the superiority of AMSOIL Synthetic Motorcycle Oil.

Formulated with top-of-the-line synthetic base stocks and high-temperature deposit control additives, AMSOIL Synthetic Motorcycle Oil provide superior protection and performance for motorcycles in all operating conditions.

AMSOIL Motorcycle Oil effectively withstand oxidation and thermal degradation, keep wear to an absolute minimum, hold contaminants in suspension and keep engines running cool and clean.

AMSOIL Synthetic Motorcycle Oil

•Reduces operating temperatures
•Keeps engines clean and deposit-free
•Provides maximum protection against wear
•Formulated without friction modifiers for smooth performance
•Saves money with extended drain intervals of up to
•two times the manufacturers’ drain interval recommendations

For more information, visit us at: http://www.vaughninc.com