Yamaha Superior Oils contain ten times the corrosion-inhibiting properties of its predecessors and feature longer-lasting performance and protection. Results from extensive laboratory testing show that Yamaha Superior Oils outperformed the competition in pushing force, lower evaporation rate and anti-corrosion properties.
The perfect weight oil for all around use in any piston valves. It provides a light , quick touch with smooth long lasting action. This grade oil will work with all piston valve instruments.