9C1 Posted July 14, 2019 Share Posted July 14, 2019 In the 90 degree temps lately I notice when I get into heavy traffic the voltage readout is showing high 12's or low 13's when it's normally showing 14.4 or so volts. Once the bike is cool or the outside temps drop, the voltage reading goes back up. I didn't notice the starter seem to turn over just a little more slowly in this heat so I don't know if I should start thinking about a new rectifier or if it's in need of a fan to help get it cooler. Any help is appreciated. Link to comment Share on other sites More sharing options...
Member Contributer Terry Posted July 14, 2019 Member Contributer Share Posted July 14, 2019 When the radiator fan comes on, this will cause a noticeable drop in battery charging voltage. It's quite normal. Link to comment Share on other sites More sharing options...
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