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ttr 110e charging problem

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What I originally thought was a fueling problem may be an electrical issue instead.  With the bike idling I get 6v at the battery terminals (no battery attached at this time).  Battery tests 12.8v on the work bench.


I'm testing my stator according to the many youtube videos out there.  The continuity between the phases is okay (no open circuits).  But when I check AC volts while the bike is idling, I get 22v on one leg, 18v on another and 6v on the third.  A visual inspection of the stator looks clean & bright (no burnt wires, melted insulation or burnt smell).  Before I replace a $200 stator, I'd like to check the regulator/rectifier as well.  The generic youtube video shows a diode test with a 5 wire rectifier (red, black & 3 yellow on this sample Honda).  My R/R has 4 terminals (two yellow, a black, and two red attached) in the block.  Can anyone help with detailed steps how to test the R/R?  Thanks!

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