Alternator not charging battery only getting 11.5 +/- volts. Is this the regulator, stator-rotor coils, rectifier or brushes?
I had the same problem with my 900 that I just bought, the regulator was fried, so the local kaw shop replaced it with a new one off internet, then it promptly fried the new one, upon further investigation the rotor/armature was reading 1 ohm resistance, supposed toread 4/7 i think anyway, had to have alternater rebuilt , cost 370.00 , works fine now.
Possibly only brushes,take casing off and see if they are worn badly
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