Honda FourTrax Foreman TRX500FM2 2018 Owner's Manual page 247

Vehicle Identification
Colour Label & Code
The colour label (1) is attached on the left side of the frame.
The colour code is helpful when ordering replacement parts. Record
the colour and code here for your reference.
COLOUR__________________________________________________
CODE ____________________________________________________
LEFT SIDE
(1)
(1) colour label
Technical Information 237