This document has been declared “Stabilized” and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist.

This SAE Recommended Practice applies to flywheels and flywheel-starter ring gear assemblies used with internal combustion engines of spark ignition and diesel type. Engine sizes are those capable of using SAE No. 6 through SAE No. 00 size flywheel housings. This document is intended to provide a uniform test procedure for flywheel assemblies to determine the rotative speeds at which they will either burst or withstand a specified limiting speed.