EP Marine Inc offers a wide array of services including - Full engine rebuilds, Yamaha Performance Upgrades, Yamaha Parts and regular service. *Performance Caveat : Engine must run on Minimum 89–90 USA grade / 95-98 AUS grade Octane fuel & have adhered to recommended Yamaha service intervals. In every engine rebuild we take pride in the details to make every engine that comes out of EP Marine show its quality and durability through its everyday use. Please note that all NIZPRO ECU Flashing Software is ONLY compatible with Windows Computers.