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Looks like Ari and motorcyclist magazine are putting some miles on their FZ09 test sled. The article briefly mentions some of the twitchy throttle issues and fixes that have already been worked out on this forum a long time ago

Ari Henning said:
WRIST: Ari Henning
MSRP (2014): $7,990
Miles: 2,963
MPG: 39
Mods: Flash-Tune ECU reflash, Galfer brake lines and pads, Maxima brake fluid

As Marc pointed out in his April editorial, some ride-by-wire throttle systems fail to deliver on the promise of perfect response. The FZ-09 is an example of a flawed attempt, so improving the bike's throttle response was high on my list.

Flash-Tune is a California-based company pioneering the reprogramming of stock ECUs via some pretty groundbreaking software. Yamahas are Flash-Tune's specialty, so I rode the FZ over to its headquarters in Orange, California, where owner Chris Gardell reflashed the FZ's ECU in an effort to smooth the bike's off/on and on/off throttle response. The process took less than an hour and was as simple as removing the ECU from under the tank and plugging it into a computer—there's no expensive hardware to buy and install. Flash-Tune has the ability to alter fuel and spark curves, engine braking, and the rev limit, along with a dozen other parameters. The software is a tuner's dream, and is available for download via Flash-Tune's website, ftecu.com. Reflashing the FZ-09's ECU costs $200 and is available as a mail-in service, typically with a one-day turnaround.



Read more: http://www.motorcyclistonline.com/features/2014_may_yamaha_fz_09_doin_time/#ixzz31WJNYt4b
 

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Ari is a great kid and his father, Todd is a legend in vintage race circles.
 

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Must be a cool job to modify and ride bikes and then write about them.
 

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Since when is changing the brake fluid a "modification" ??? If that's the case, I "mod" my bike/car every time I bleed the brakes.....
 

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He mentioned that he turned the ZX-10 shock up and that was the only direction it would go.
I thought that some had turned the resovoir down to not have to do any trimming.
 
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