The link below is an overall for electric and nitro.
https://traxxas.com/support/How-do-I-set-Gear-Mesh-my-Traxxas-Model
This link here is for a Tmaxx. Your Nitro Hawk is like tge Nitro slash/rustler/sport.
It does give you a picture of good and bad mesh. You can find that under step number 5...