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ASTM D4857-12

Current Revision

Standard Test Method for Determination of the Ability of Lubricants to Minimize Ring Sticking and Piston Deposits in Two-Stroke-Cycle Gasoline Engines Other Than Outboards (Withdrawn 2021)

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1.1 This test method2 evaluates the performance of lubricants intended for use in two-stroke-cycle spark-ignition gasoline engines that are particularly prone to ring sticking. Piston varnish and spark plug fouling are also evaluated.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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.


5.1 This test method is primarily intended for the evaluation of lubricants for use in two-stroke-cycle engines of high specific output.

Note 1If the test method is being used to satisfy a portion of Specification D4859, refer to the specification for the pass-fail criteria.

SDO ASTM: ASTM International
Document Number D4857
Publication Date Nov. 1, 2012
Language en - English
Page Count 10
Revision Level 12
Supercedes
Committee D02.B0
Publish Date Document Id Type View
Nov. 1, 2012 D4857-12 Revision
Dec. 1, 2008 D4857-08 Revision
Nov. 1, 2003 D4857-03 Revision
Nov. 10, 2002 D4857-02 Revision
Nov. 10, 2001 D4857-01A Revision
Nov. 10, 2001 D4857-01 Revision
Nov. 10, 2001 D4857-00 Revision