Carpenter Racing


Hayabusa Throttle Bodies

Carpenter Racing Products

Carpenter Race Engines continues to push Hayabusa engine development to new levels with an exclusive wide-mouth throttle body system.

Through continuous research and development, we began to see an interesting trend – the power delivered though our stock-valve head began approach the output of our big-valve head. We took this as an indication that the large-valve head was starved for air and not living up to it’s real potential. The answer was a larger, totally redesigned, throttle body array.



We didn’t cut corners for this project and went to world-renowned fuel injection specialists, Kinsler Fuel Injection. Working with our combined expertise we produced what we feel is the most technologically advanced fuel delivery system currently attainable for the Hayabusa. Now available exclusively though Carpenter Race Engines.

These new throttle bodies have a true bore diameter of 50mm– far larger than the typical bored injectors. With the new fuel delivery demands we decided the stock components would not hold up to the stress so we added an aftermarket fuel pump, regulator and linkage to the package. The system works with stock electronics as well as the DynoJet Power Commander

This configuration gives an average 15 to 20 rear wheel horsepower gain with our CNC-ported head large-valve head.

Complete Kit $3600

Includes:
Bosch injectors
High-volume fuel pump
adjustable pressure regulator
heavy-duty linkage.

Virtually bolt-on
Call today for installation details
Limited Availability


“There will be no hanging with a bike we these throttle bodies on it.
You will either have them or you will be left behind.”

                                      - Bob Carpenter

Carpenter Race Engines
117-A Cross Keys Road
Berlin, NJ 08009

Phone: 856-753-1555

www.carpenterracing.com

 


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