Honda FourTrax Foreman TRX500FE2 2018 Owner's Manual page 148

Engine Oil & Filter
Checking & Adding Oil
Refer to Safety Precautions on page 117.
Check the engine oil level each day before operating your ATV and
add if needed.
The oil fill cap/dipstick is located at the front left crankcase cover.
Before riding your ATV, check the engine oil level.
1. Park your ATV on a firm, level surface.
2. Start the engine in a well-ventilated area and let it idle for 3 – 5
minutes. If the air temperature is below 10°C (50°F), let the
engine idle for an additional 5 minutes (a total of 10 minutes).
3. Stop the engine and wait for 2 – 3 minutes.
4. Remove the oil check/fill door (1) by disengaging the studs (2)
from the grommets and releasing the tabs (3) from the slits.
LEFT SIDE
(1)
(1) oil check/fill door
(2) studs
138
Servicing Your Honda
(2) (3)
(3) tabs