Honda TRX500FM Owner's Manual page 123

Engine Oil & Filter
4. Remove the oil filler cap/dipstick ( ) from the rear crankcase and
wipe it clean.
5. Insert the oil filler cap/dipstick without screwing it in, then remove
the oil filler cap/dipstick and check the oil level. The oil level should
be between the upper level mark ( ) and the lower level mark ( ) on
the oil filler cap/dipstick.
6. If required, add the specified oil into the filler cap hole, up to the
upper level mark on the oil filler cap/dipstick. Do not overfill.
7. Reinstall the oil filler cap/dipstick.
8. Install the left engine sub cover.
Running the engine with an improper oil level can cause serious engine
damage.
LEFT SIDE
(3)
(4)
(2) oil filler cap/dipstick
(3) upper level mark
(4) lower level mark
114 Servicing Your Honda
2
3
(2)
4