Honda PIONEER SXS1000 2016 Owner's Manual page 153

5. If the oil level is near or below the lower level mark, add the
specified oil into the oil fill cap hole, fill to the upper level mark in
the dipstick. Do not over fill.
6. Reinstall the oil fill cap/dipstick and front seat.
NOTICE
Running the engine with an improper oil level can cause serious
engine damage.
Sub-Transmission Oil
Servicing Your Honda
149