This Engine Sound was made by TheAdmiester and I edited it with his permission, if you want the original version get it here:

https://www.gta5-mods.com/vehicles/kawasaki-ninja-h2r-engine-sound-oiv-add-on-fivem

This edited version Adds:
-Door Sounds
-Exhaust Pops
-Different Engine Mix
-Lowered Engine Sound
-Different Turbo Sounds