I can pretty much say RM naruto has the possibility to defeat SM hashirama.
RM Naruto ( Rikudou Mode naruto +BSM).
Just with a LAVA FRS! he did this to the GOD TREE
You must be registered for see images
Also he might be able to USE FTG (We don't know yet, we have to wait for the next chapter before we jump into conclusions. But if he does know how to use it then we got speed hacks there.
He already have GOOD REFLEXES! he avoided LIMBO!!
You must be registered for see images
Also he got the black ORBS and it's powers meaning:
You must be registered for see images
You must be registered for see images
In my opinion naruto is able to defeat sm hashirama at this point u_u