2004-2005 Honda TRX450R Factory Sevice Manual, Page 302Get this manual
ELECTRICAL
SERVICE INFORMATION
GENERAL
hen serv icin he igni tion system, always foll ow th steps in the troubleshooting sequ ence on page 16-5 Th ignition timing cannot be adj ust ed si nce he Ig nit ion Control Module (leMis factory preset Th reM may be dama ge if drop ped lso, if he co nnector is disconnected hen current is flow ingthe excessive voltage may da mage th reM faulty ig nition system is often related to poo co nnect ionsCheck th ose co nnect ions before proceeding Use spark plug of he correct heat rangeUsing spark plug it an incorrect heat range can damage the engine Use an el ect ric heating elem ent to heat th watercoolant ix ture for the engine coolant temperatu re (EeTsensor inspect io nKeep all flamm ab le mat erials aw ay fro th electri heat ing elementWear protective clothi ngnsulat ed love and eye protecti co nt inuity est can be ma de with the switches nstall ed on the veh icle The fo llo wi ng co lor codes are used hro ugh out his sect ion Bu: Blue BI: Black Br: Brown G: Green Gr: Gray Lb: Light Blue LgLight GreenOrange P: Pink R: Red :White Y: Yellow