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The Smartest Performance Tuning Technology

Bazzaz takes great pride in creating fun, easy to use, highly effective engine control electronics.

Bazzaz was started in 2003 out of a clear need for expertise in the area of engine management and electronics for the top tier of professional motorcycle racing. After working as a race engineer at Yoshimura R&D for six years and helping Mat Mladin bring home his first 3 AMA Superbike championships, Ammar Bazzaz decided to start Bazzaz, Inc. in an effort to fill this need in the racing market. The goal is to bring high level technology and knowledge to all levels of racers and motorcycle enthusiasts.

Entering the high profile AMA Superbike scene in 1997, at the same time as Electronic Fuel Injection, Ammar Bazzaz has been instrumental in its implementation, tuning, and application for over 10 years.

From humble beginnings in the garage of his home, he quickly expanded the company to release a complete line of products using his exclusive engineering and design capabilities for the design and manufacturing of engine management electronics for the motorcycle racing industry. Completing its second expansion in the last three years, Bazzaz now operates out of an 8,500 sq. ft facility in Chino Hills, CA housing both R&D and manufacturing operations.  Bazzaz has been designing and tuning high performance engine management products for the top tier of motorcycle racing since its inception.

Now with worldwide distribution partners, Bazzaz is committed to bringing this high tech world of exclusive electronics down to performance riders around the globe.  The new Z-Fi line of products from Bazzaz offers innovative, state of the art engine management technology that is easy to use with an affordable price.  Bazzaz is upping the ante on what a rider should expect from aftermarket engine management electronics. Never before has technology at this level been offered to the general public.

In addition to designing and bringing race proven fuel control and engine management technology to the mainstream market for sportbikes, motocross and ATVs, Bazzaz works with and proudly sponsors Michael Jordan Motorsports, National Guard Suzuki, Vesrah Suzuki, and M4 Suzuki.

Bazzaz recently launched its new line of modernized, easy to use Bazzaz Principia line of dynamometers ('dyno') in 2012.


Tech Gadget of the Year 2012
Bazzaz S125LC Principia Motorcycle Dyno
Super Street Bike

Tuner of the Year 1999, 2000
Ammar Bazzaz
American Motorcycle Association

Spirit of the Entrepreneur Award 2010
Ammar Bazzaz
University of California, San Bernardino

Best New Product
Bazzaz Z-Fi TC™
Powersports Business

Editor Choice Award
Bazzaz Z-Fi TC™
Powersports Business

Editor Choice Award
Powersports Business

To our customers and dealers,

The Bazzaz team would like to thank you for the many years of support and loyalty to our products.

As of 1/1/22 Bazzaz will no longer offer support for the Bazzaz engine management line (Z-Fi, Z-Fi TC, QS4, ZAFM).

Although YFI racing will not be offering technical support for Bazzaz products except for customers who purchased directly from YFI Racing, many QS4 kits, accessories, and spare parts will be available through them.

You can also contact YFI Racing at if you do not find what you are looking for on their site.

The Bazzaz website will remain to offer customers access to installation instructions, fuel map database, and technical support documents. The technical support documents utilize the same diagnosis steps that the Bazzaz technical support team has worked from since the beginning so they should be very helpful.

The Big Three: double-check these three common culprits:

  1. The Bazzaz ground lug is properly secured to a non-insulating chassis ground. Test this by temporarily grounding the Bazzaz ground lug directly to the battery negative terminal and checking to see if this resolves the issue.
  2. The vehicle has fuel and there are no obstructions (such as a fuel line kink) that could affect fuel delivery.
  3. The Bazzaz control unit powers up. Turn the key on and the control unit should illuminate blue. If it does not, re-check the 12V power source connection

Bazzaz tuning software and software manual

Principia dyno software and software manual

Fuel map database

Engine management wire color guide

Not starting or running properly

Quick shifter troubleshooting

Software troubleshooting

Traction control settings

Traction control troubleshooting

ZAFM troubleshooting

ZAFM O2 sensor installation

Z Bomb integration

Best regards,
Bazzaz team

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