In the top left corner you can see the back of this torso:
So this is part of 75022-1: Mandalorian Speeder
Building on @Syberion's answer and identification of the set, you can find many PDFs of manuals on Lego's site: https://www.lego.com/en-us/service/buildinginstructions
You can search by the set number, theme, and/or year to find manuals.
For this specific set, here are the links:
- Search for set 75022 on Lego's Manual site (link)
- Direct PDF link: https://lc-www-live-s.legocdn.com/bigdownloads/buildinginstructions/6050596.pdf