godinmw Posted August 19, 2015 Share #1 Posted August 19, 2015 just replaced my battery today after it wouldn't start and found out it was only 1/2 full of acid.tested the voltage this a.m when idling and got 15v,went up to 16.5 volts when i rev bike up.this afternoon voltage read 12v when idling and when revving engine.am going to test all plugs and connections tomorrow but am I on the right track to assume voltage reg is shot Link to comment Share on other sites More sharing options...
GeorgeS Posted August 19, 2015 Share #2 Posted August 19, 2015 14.2V is considered about normal charging voltage at running RPM. That lead Acid Battery, is probably history. If its over 3 years old, best get a new AGM type Dry Cell. Cost more, but will last much, much, longer then the old lead acid types !!! DO NOT, get the AGM type, that comes from CHINA !!!!!!!!!!!!!!!!!!!!!!!!! The good ones are made in Penn. Even Harley is using them. Link to comment Share on other sites More sharing options...
godinmw Posted August 19, 2015 Author Share #3 Posted August 19, 2015 voltages were measured with a new deka agm battery I put in today Link to comment Share on other sites More sharing options...
Flyinfool Posted August 19, 2015 Share #4 Posted August 19, 2015 Could be both stater and RR. The high voltage makes it look like the RR, but then with a new good battery and getting low volts makes it look more like a bad connection or bad stater. More testing. Link to comment Share on other sites More sharing options...
godinmw Posted August 19, 2015 Author Share #5 Posted August 19, 2015 the high voltage was with the new battery also,just tested about 4 hrs apart,looks like ill be doing more testing tomorrow Link to comment Share on other sites More sharing options...
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