Honda FourTrax Recon TRX250TM 2019 Owner's Manual page 189

Vehicle Identification
Color Label & Code
The color label (1) is attached to the frame below the seat.
Remove the seat (page 90) to check the label.
The color code is helpful when ordering replacement parts. You may
record the color and code in the Quick Reference section at the rear
of this manual.
UNDER SEAT
(1)
(1) color label
Technical Information 179