I would install a 14 tooth GYTR front sprocker. That should get rid of the revs high real kuik feeling assuming it has 20 inch rears. If your quad has lots of power and jetted right you can even go 14 front and 37 rear gears on the sprockets.
You running 20 inch rear tires?
2018 YFZ450R SE : warning labels removed, TMD case saver, GYTR aluminum frame skid with the bracket mod, Maxxis Razr Plus tires
PIN IT PIN IT STRAIGHT OFF THE SHOWROOM.
VORTEX ECU W/PEAK RACING MOUNT
PEAK RACING SWING ARM SKID