Husqvarna's Low Smoke Oil meets and exceeds the latest oil specifications for JASO-FD and ISO-EGD, and exceeds the current API TC Spec requirements.* Includes fuel stabilizer to reduce the risk of engine failure or poor running characteristics brought on by stale or poor fuel. * Improves blending with a broader range of fuels, including higher octane fuel. * Noticeable reduction in exhaust smoke. * Reduces fuel oxidation and improves lubricity.