Ivan has lots of knowledge of what to change in an ECU for many bikes & brands, hes been doing it for years now. He indicated it would be a timely job & opted not to look into KLM/MPH option. We did have some discussions about the immobilizer & the possibility of being able to switch between miles & KLM's like the 16 and up models can do. Mine was the first gen 3 Canadian model Ivan was doing. My speedo is inaccurate before & after the flash so no change. I had the Ivan flash done to my Canadian 14 ES model. I was under the impression that they were virtually identical other than the cruise limits. I'm curious that your '15 launches softer than your '13 did. I honestly doubt I'd do it on a '14 or later. It wasn't worth $600 for a new ECU it was worth the $350 especially since there would be other benefits. I had no complaints about my 2013 before the flash, but I finally decided the cruise control 'fix' was worth the $350. When I do experiment with one of the other two modes I always go back to Sport mode right away. I think any change in MPG would be so small it wouldn't matter. I attribute the minor drop in mileage more to my changed riding style than to the flash. Coincidentally, at the same time I had the flash done I stopped riding with him, and my pace has picked up when traveling. Prior to the flash, though, I rode often on long trips with a fellow on a Goldwing who rode slower than I do, and I kept the pace down because of him. That's calculated, not the on-board computer. In the 82567 miles before the flash I averaged 46.7 mpg. I keep records in Excel, so it's easy to do stuff like this.

11 yamaha fjr1300a ecu flashing