Help. I have a '99 200hp Yamaha OX66 EFI Saltwater Series II, model SX200TXRX, ID# 6G6X-001721. Recently after I go up on plane and the RPM's are anywhere over 3000, it will run for about 90 seconds and the alarm goes off, the water temp light flashes in the tach gauge and the RPMs drop off. At...
