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Synthetic Motor Oil
First to develope an API-rated 100 percent synthetic motor oil.

AMSOIL Motorcycle Oil Test Results

Submitted by admin on Thu, 08/13/2009 - 21:51.
  AMSOIL synthetic motorcycle oils provide outstanding protection and performance for today's  high stress motorcyle engines, and the AMZOIL  "A study of Motorcycle Oils" white paper  has served as  an effective tool to show potential customers and help them make educated decisions regarding which oil is best suited to provide the best protection for their motorcycle investments.  AMZOIL subjected both AMSOIL Synthetic 10W-40 and 20W-50 Motorcycle Oils and competitor's oils to the same array of testing.   Once again, AMZOIL Motorcycle Oils came out on top.
  The testing used to evaluate the motorcycle oils was done in accordance to the American Society for Testing and Materials (ASTM) procedures.  Test methodology is indicated for all data points, allowing for duplication and verification by any analytical lab capable of conducting ASTM tests.   A notorized affidavit certifying compliance with ASTM methodology and the accuracy of the test results is included in the appendix of the document.
   The test results of 15 different SAE 40 motorcycle oils are compared with each other, while the test results of 17 different SAE 50 motorcycle oils are compared with each other.  Each oil was subjected to 12 tests:
The Initial Viscosity Test (ASTM D-445) measures the initial SAE vicosity of lubricants to ensure the SAE grades indicated by the manufacturers are representative ofthe actual SAE grades of the oils.
The Viscosity Index Test (ASTM D-2270) measures the degree of viscosity change that occurs when lubricants are subjected to temperature changes.
The Viscosity Shear Stability Test (ASTM D-6278) determines the viscosity change that occurs with lubricants when subjected to shearing forces.
The High-Temperature/High-Shear Stability Test (ASTM D-5481) measures the viscosity of lubricants  when subjected to both high temperatures and shearing forces.
Zinc Concentration (ppm, ICP) measures the quantity of the anti-wear additive zinc dithiophosphate (ZDP) within lubricants.
The Four-Ball Wear Test (ASTM D-4172) determines the wear protection properties of lubricants in case of metal-to-metal contact.
The FZG Gear Performance Test (ASTM D-5182) measures the ability of lubricants to protect transmission gears against scuffing-adhesive wear.
The TFOUT Oxidation Stabiity Test (ASTM D-4742) measures the oxidation stability of lubricants in the face of fuel, metal catalysts, water, oxygen and heat.
The NOACK Volatility Test (ASTM D-5800) measures the ability of lubricants to resist volatiliztion (evaporation) in high temperature service.
The TBN Acid Neutralization and Engine Cleanliness Test (ASTM D-2896) measures the acdid neutralizing abilities of lubricants by determining the level of acid required to nuetralize their alkaline properies.
The Foaming Tendency Test (ASTM D-892) measures the ability of the anti-foam additives within lubricants to control foaming.
The Humidity Cabinet Rust Test (ASTM D-1748) measures the ability of lubricants to protect against rust formation.
  To complete the comparison, the prices of all tested lubricants are also included.
  At the conclusion of all the testing, each oil was assigned a score for each test result, with the top performing oil assigned a one, the second-best performing oil assigned a two, etc.  Because a quality motorcycle oil must perform well in many different areas, results in all categories were added together to produce  an overal total for each oil.  The oil with the lowest total is the highest overal performing oil.  As before, AMSOIL Synthetic Motorcycle Oils clearly emerged as the top performing oils in each and every group.
  There are nearly seven million motorcycles registered in the United States, and an increasing  number of new customers buying motorcycles every year, the AMZOIL  Motorcycle Oil White Paper provides proof that AMZOIL Motorcycle Oils provide the best protection for expensive motorcyle investments.
  As far as I know, there have been no problems with AMSOIL products or any AMSOIL compaints.  AMSOIL has been around since the early 70s and there have been no warranty claims.   AMSOIL is by far the best Motorcycle Oil you can buy.   AMZOIL is made in the USA and gives your motorcycle the best protection possible.

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Submitted by samptona on Mon, 05/31/2010 - 12:59.

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