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View Full Version : 2000 Honda 400ex Electrical Issues


MikeSalerno1313
02-27-2010, 06:25 PM
I bought this quad used and after i went riding with my lights on i killed my brand new battery. So i started it with out the battery and the neutral light head lights and tail lights wouldnt work meaning that they are running off my battery. I am not to familiar with electrical problems. I dont know if the 400ex uses an alternator or what so any suggestions or help to fixing this issue would be great, Thanks.
rooster300ex
02-28-2010, 09:35 AM
sounds like a stator problem to me.
MikeSalerno1313
03-01-2010, 01:20 PM
does that mean that when the quad is running the starter powers all of the electrical components?
rooster300ex
03-01-2010, 03:40 PM
not the starter the stator. Yes it helps the lights run and it keeps the battery charged i believe. Its on the left side of the engine.

Stator (http://en.wikipedia.org/wiki/Stator)
MikeSalerno1313
03-01-2010, 04:39 PM
Ill buy one and see if thats the issue. Before i do that do you think that there are any wires or anything that can not be connected or loose? Also is it common for these to go bad and is it an easy installation, or is it a pain in *** to do? Thanks..
boost190
03-07-2010, 07:53 PM
before you buy a stator ,i would put a voltage meter on the battery while its running to see what kind of voltage its putting out . It should be putting out 13 1/2 volts and up ,but not more than about or a little under 15 volts i believe (a service manuel is not a bad idea)you should be able to rev it up a little and see if the voltage rises or stays the same ! good luck
rooster300ex
03-07-2010, 09:36 PM
yea before u buy a stator do what he said^^^^^^
MikeSalerno1313
03-08-2010, 07:26 PM
Ok i will try that out. And i looked and found out that a stator is like 300 so that aint worth it to me so if that is the issue i guess ill find a used one on ebay. Once i do that with the voltage meter if it is like what u said it should be what does that mean. and if its not what its suppose to be im guessing thats the stator? Also what setting should i put the volt meter while checking. thanks
Kentang4
03-13-2010, 07:19 AM
20 VDC (Volts, Direct Current) is common on meters and would work fine. You are looking for approx 14 volts D/C so you want the meter to read up to a slightly higher number. Some meters just have to be set to read DC and you don't have to tell it what range to look for. Good luck.