Honda TRX400EX FourTrax/SportTrax and TRX400X, 1999-2013 M454-5Includes Color Wiring Diagrams. Clymer ATV repair manuals are written specifically for the do-it-yourself enthusiast. From basic maintenance to troubleshooting to complete overhaul, Clymer manuals provide the information you need. The most important tool in your tool box may be your Clymer manual, get one CoveredTRX400EX Fourtrax (1999-2000)TRX400EX Sportrax (2001-2013)