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An engine's power is dependent on how well the air / fuel mixture is ignited in the cylinder. Air / fuel ratio (AFR) is controlled by the engine control unit (ECU). 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 are 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. With a proper fuel map the rider can expect a smoother and more responsive throttle along with horsepower and torque gains.
Motorcycles with any modifications (such as exhaust or high-flow filters) must have fuel tuned to accommodate the change in air to the AFR.
Bazzaz Z-Mapper software makes it easy to view and easily adjust fuel maps
Load and save fuel maps that are downloaded, manually edited, created on a dyno, or made with the Z-AFM air / fuel self mapper
Great product and performance.
Not the easiest job to do but there is good instructions and videos online. Works very well and smooth throttle out. once you have the right map loaded bike will feels better than ever.
Revzilla had a good price and product came new and well boxed.
April 27, 2015
Have a functionality, fit, or otherwise product-specific question about the Bazzaz Z-Fi Fuel Controller Honda CBR600RR 2007-2012? Ask it here!
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Bill W:You will get better throttle response and probably ~5+HP gain with K&N/slip-on/Bazzaz. I purchased the standalone fuel controller and I did notice a difference. I have found that there are not many mapping options(uploads) from other users for my bike anyway, so to get total benefit you will need the AFM unit as well. Dyno tuning does not help that much as you are not in a "real world" application. Check the Bazzaz website for user uploads to see if anyone has uploaded a custom map before purchase.Jun 30, 2014
Michael J:I have the same combo as you on my 2014 ZX636 and from what I understanding when upgrading the air filter and adding a slip-on it is highly recommended to adjust the fuel / air mixture or you could run dangerously rich or lean causing damage to your bike.
Will your MPG suffer? I'm not entirely sure, I can't say that I noticed a big difference there but I can tell you that the Bazzaz ZFi made my bike more responsive, smoother shifting somehow and I have no regrets buying and installing on my bike. It made a noticeable difference performance wise on my bike. I downloaded the "Enhanced" map directly from Bazzaz specific for my bike and it runs beautifully. I hope this helps you, Good Luck with your upgrades!Jun 30, 2014
souhaib b:Hi buddy yes you will benefit from it especially if you do a costum map On any dyno shop next to you About mpg depent of your air fuel ration if its 12- 12-5 original You will gain mgp If its 13.5 to 14 you will loose a bit cz best air fuel ration is 13 to 1 or 13.2 to 1 But you tell the guy who is makin the map for you to make it leaner below I mean in low rpm in this case you eill gain mgp let him make it 14/1 and over 8000 rpm 13.2 and up Jun 30, 2014
damien h:you really need to upgrade to aftermarket headers to remove the cat from the system and get a custom dyno tune to optimise the A/F ratios for your engine I have a late model Hayabusa and got over 20HP gains with full exhaust upgrade / Bazzaz Z FI and dynoJun 30, 2014