Re: My 97 yamaha R1 is not charging the battery, changed...
Have u checked the battery to see if it's good? If so then check your main fuses and if there good be ready to spend some money on a stator. Hope that helps u
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Over heated batteries are a problem ... just ask Boeing. I would say you have a regulator problem and the battery is being over charged. Were I in your position, I woujld get this repaired before I went on any more trips, I wouldnt want that battery exploding or catching fire under my pututti.
rectifier (voltage regulator) is responsable for stady 14V suply. It should be him. Check battery when not conected?! But I realy think it's rectifier cousing problem!
1998 to 2002 have problem with plug to voltage regulator/rectifier which is under seat. connectors in plug overheat and bike stops charging the battery. you will see if connectors have been hot and will need to be replaced if they have. once replaced check bike charging with multimeter at battery,should make 13.5 - to 14.5 volts just above idle. if not will need to test stator and regulator.
corroded, burned, loose connection from the stator to the regulator (likely);
faulty stator (least likely).
The stator would be producing relatively high AC voltage while revving the bike. The stator output AC voltage are fed to the rectifier / regulator through 3 white wires. Check calls for testiing for the presence of the AC voltage on any pairing of the white wires before and after the connector before the voltage regulator. Check on the regulator calls for checking the battery voltage when revving the bike (14.5 VDC).
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