Husqvarna XP+ 2-Stroke Oil has been engineered to maximize your engine’s performance. Formulated with premium additives, and semi-synthetic base oils, Husqvarna XP+ has been tested and approved for use in all Husqvarna 2-Stroke engines. Husqvarna XP+ is JASO-FD certified, which ensures this formulations meets and exceeds the toughest oil standards, providing the perfect balance of engine lubricity, detergency and exhaust output. The Husqvarna XP+ low smoke formulation was also specifically engineered to ensure lowest operating temperature, preventing premature engine bearing failures. Features VEF – Verified Engine Formula. The Husqvarna XP+ 2-Stroke oil has been extensively tested in Husqvarna laboratories to ensure long term durability of Husqvarna engines.