ITEM NAME:Rubber Gearbox O-Ring Seal Kit Repace for Yamaha 2-Stroke Outboard Engine Description: 100% Brand new O-Ring Seal. Made of high quality rubber, durable. Fit for Yamaha 2 Stroke 15HP Outboard Motor. Completely compatible and interchangeable with the OEM. Easy installation. Specification: Material: Plastic Diameter: 60mm / 2.4inch Package Includes: 1 Set O-Ring Seal Note: Please make sure the item fits for your motor before order..Fit for Yamaha 2 Stroke 15HP Outboard Motor. 1 Set O-Ring Seal. Made of high quality rubber, durable.