Honda Pioneer 1000 2017 Owner's Manual page 203

Do not attempt to disassemble or service the frame lug fasteners.
WARNING
3
This SXS utilizes a multi-component frame
design that is non-serviceable.
Under no circumstances should the frame lug
fasteners be loosened or removed.
If a bolt has been loosened or removed, see
your Honda dealer before operating the
vehicle.
frame lug fasteners