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Bazzaz Z-Fi Fuel Controller Yamaha

How it Works
Bazzaz fuel controllers piggy back onto the Engine Control Unit (ECU), intercepting the signal sent to the fuel injectors and changing it.
The precise data for these changes is stored in the Z-Fi fuel controller in the form of a fuel map.
The Z-Fi comes pre-programmed with an enhanced fuel map for power gains and improved throttle response.
Who needs it?
Every vehicle can benefit from fuel tuning.
Stock vehicles have to meet emissions standards, that means the fueling is often lean down low were the bike is tested and rich elsewhere for cooling.
Vehicles with any modifications (such as exhaust or high-flow filters) must have its fueling tuned to accommodate the change in air to the Air Fuel Ratio. It helps with throttle response and HP gain.
 You can also access the free Bazzaz Z-Mapper software to view and easily adjust fuel maps.