Not sure why you would need a Dyno to calibrate the speedo I did it by driving up and down the street. As for the fuel gauge there are several settings to choose from, but easy to setup. \\; I used the spiked version on my RK and will be installing the round style in the fairing on my RG, but the setup is of the gauges is all about the same once they are wired up and working.
 \\;
Jeff
No problems at all. \\; My odometer started over at zero, so I took a picture of the old one before I changed it out, and of course saved it in case I ever need to prove mileage.