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1986 trx200sx charging problems???

4428 Views 19 Replies 4 Participants Last post by  localhero800
ok, so i bought this bike from family, he siad that it ran summer of 2008... but that it had sat, so prob needed carb cleaned...

i bought it cheap, and brought it home, cleaned the carb , it had its hickups and little problems, but it now runs good and im happy with the motor... now the problem....

it has electric start, but i cnat get it to even try to start... the battery was bought in spring of 2008 , but hasnt been charged since then... i checked , and while it is at idle, it is making about 10 volts, at the battery terminals... is this correct?? im assuming the battery is gone, but im not gonna fork out 50 bucks for one if it isnt just the battery... it can pull start... but the lights dont work unless its running, and stuff., so i assume its the battery....

any ideas, or help to tell me if its just the battery??? can i try to jump it off my truck???
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Welcome to the forums.... the lights wont work on some of the older models unless it's running since the lights are ran by a pulse generator, the reason you have 10 volts is the regulator is trying to charge a dead battery, I would suggest taking the battery off check to be sure it is full in each cell if not top it off with distilled water and put slow trickle charge on it for a few hours, overnight is best then check the voltage. If the voltage is good re-install it and try it. put a multi-meter on the battery while you crank it or try to and see what voltage you have, you may be looking at replacing the battery since it has sat for over a year. good luck and keep us posted
leave the caps off when you charge it can vent better
black/white is ignition green is ground.. so you are saying the key switch is completely missing? do you have a wiring diagram? if so can you post a picture of it? I can help you figure it out better that way. min is a little different I do not have a starter so my key switch is black/white and green. you can try hooking them two together and see what happens?? but I would just touch them first. no arc then your good the rd and black lead to the solenoid I'm sure so you need to complete the circuit in order for it to start.
No... I wouldnt... too many cranking amps.

ok, could i hook up a car battery to check to see if the starter works...???
yes it should as long as there isn't a bad cell. a hydrometer will tell you that though but the battery needs a full charge on it in order to get an acurate reading.
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