CBR 600F 1987 - 1990 CBR 600F Forum

Why is the Plug from generator melting

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Old Feb 9, 2017 | 06:16 PM
  #1  
Davecbr's Avatar
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Default Why is the Plug from generator melting

Hi
Can someone help me with this little problem on my 1987 CBR600fh
The other night I was riding along and I noticed my voltage was going up to 17-18 volts.
Thinking the regulator is on its way out I set about testing it, then I noticed the three pin connector from the generator to the regulate had started to melt.

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Does anybody know why this might happen??
 

Last edited by Davecbr; Feb 10, 2017 at 01:32 AM.
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Old Feb 9, 2017 | 06:33 PM
  #2  
74demon's Avatar
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From: socal 949/951
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That's what happens when the R/R fails and gets hot. Very typical with that design.

There are better options out there that seem to hold up better. Have a look around the forum. There must be hundreds of threads about this issue.
 
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Old Feb 9, 2017 | 08:15 PM
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You want a MOSFET type regulator. The overcharging is a bad RR and will destroy your battery so don't run it like that.
 
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