Does Luffy have "Gomu Gomu no Jet Yari"?
In the anime: Gomu Gomu no Jet Lance was used against Blueno and was a Gear 2 attack.  Note that Lance is similar to a Spear which is what Yari refers to.

Gomu Gomu no Jet Spear was used after the timeskip against Monet as a Gear 2 version.

I am not aware of a Gear 3 version.

This is all from the wiki.