Honda PIONEER SXS1000 2016 Owner's Manual page 138

Fuel
Fuel Capacity
Fuel tank capacity:
7.9 US gal (30 ℓ)
When there is only one segment left in the fuel gauge (page 24), fuel
will be low and you should refuel as soon as possible.
Refueling Procedure
Refer to Safety Precautions on page 111.
RIGHT SIDE
bottom of filler neck
1. Open the right side door (page 45).
2. Turn the fuel fill cap counterclockwise.
3. Add fuel until the level reaches the bottom of the filler neck.
Avoid over filling the tank. There should be no fuel in the filler
neck.
134
Servicing Your Honda
fuel fill cap