Any Honda ATV Mechanics?

Moonlite37

Well-known Member
I have a 2010 Honda TRX420TM. This is a 420cc water cooled fur wheeler. There is a overflow tank under the eat and a radiator in front with a pressure cap The owner's manual gives little information about the care of the cooling system. I bought the correct mixed antifreeze and drained the system and added the new antifreeze.
Yesterday I rode it and the fan was running most of the time an about 12 miles on the backside of nowhere the overheating light came on and I continued about five mikes. I assume that there was an aidlock preventing liquid from coming into the radiator. I filled the radiator and rode two miles with the pressure cap removed and the can did not come on. I have assumed that it is now fixed. The Owner's manual tells me the machine needs to have the antifreeze changed by a dealer with proper training and tools. There is no Honda dealer near me. Any information is appreciated and I hope it is already fixed.
 
If there is no bleed screw for the coolant system. I fill the system a little at a time with the engine running and the cap off. So the air can escape.I think you will be ok.
 
It sounds to me like you may of overheated it! That's a risky way to do it! usually there is a rubber hose someplace that you can remove to vent the air out or at least squeeze it to burp out some bubbles. You should have some idea of how much you drain out and replace that amount before running the engine. I have been able to find information online to do most maintenance on our motorcycles.
 

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