Outboard Jet Model Y90 for 1983-Present 75-90hp Yamaha 2-Stroke, 3-Cylinder, 20 Shaft Outboards. This unit is in great condition. All seals, bearings and bearing carrier were recently replaced and installed by the manufacturer, Outboard Jets in San Leandro, CA. Has not been in water since work was done. Contact me for pictures and copy of invoice for recent repairs.