The 2017 KTM RC390 sports has a host of updates but it hasn’t gotten the generation change that the 390 duke has.That’s not to take away from its improvement though the one change we are sure every one will appreciate is the eddition of the more comfortable seat adding to iys usability are wider mirrors, addjustable levers, and a ride-by-wire throttle that will eliminate the jerkiness at low rews usually associate with the 373cc engine