Astm D 4863 – 02 pdf free download

Standard Test Method for
Determination of Lubricity of Two-Stroke-Cycle Gasoline
Engine Lubricants1

This standard is issued under the fixed designation D 4863; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

This standard has been approved for use by agencies of the Department of Defense.

1. Scope

1.1 This test method2 evaluates the ability of lubricants to
minimize piston and bore scuffing in two-stroke-cycle spark-ignition gasoline engines.

1.2 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.3 The values stated in SI units are the standard. The values
in parentheses are provided for information only.

2. Referenced Documents

2.1 ASTM Standards:
B 152 Specification for Copper Sheet, Strip, Plate, and
Rolled Bar3
D 439 Specification for Automotive Gasoline4
D 445 Test Method for Kinematic Viscosity of Transparent
and Opaque Liquids5
D 664 Test Method for Acid Number of Petroleum Products
by Potentiometric Titration5
D 874 Test Method for Sulfated Ash from Lubricating Oils
and Additives5
D 2270 Practice for Calculating Viscosity Index from Kinematic Viscosity at 40° and 100°C5
D 2700 Test Method for Motor Octane Number of SparkIgnition Engine Fuel5
D 2885 Test Method for Research and Motor Octane Rat

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