• Jan 10, 2026 1991 Yamaha L200txrp Outboard Service Repair Maintenance Manual Factory ng wear while whining might point to a problem with the water pump A thorough inspection is required to pinpoint the source of the noise 3 Leaks Identify the source of the leak fuel oil or water and address the underlying cause This might involve replacing seals gaskets or hoses Overh BY Vanessa Heaney