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Preacher Man
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How hot should the regulator run? I show 14.1V on bike volt [email protected] With a volt meter across battery it shows [email protected] Regulator/stator wires have been upgraded to #10 with all connections hardwired. Thanks again for all the previous help don't know what I would do in keeping this bike running with out the help of you guys on the fourm Mel
 

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Preacher Man
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Discussion Starter · #2 ·
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I found a meter that would measure temp. and the regulator is 195 degrees F. That seem to hot too me but I don't know. Does anyone know.
 

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Piaggio MP3, was 02 GL1800
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The regulator is mounted in an area that does not get good airflow.

Some have repositioned it to gets more airflow over it which does help to cool it off. They all run hot, as its' job is to sink excess current to ground to prevent overcharging the battery.

When the battery is fully charged, the regulator is working at its' hardest sinking most of the stator current to ground.
 

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yep,it does get hot,mine was in the 150 deg range when i measured it

just make sure that the mounting surface is clean and u might want to smear a very thin coating of di-electric grease on that surface to promote heat transfer

when the bike is moving i suspect that airflow past the regulator helps to bleed off some of the heat

glad u got your problems straightened out
 

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Some of the guys on here have mounted 12V electric computer cooling fans to the regulator to keep it cooler. Not sure how they did it, but maybe someone who did will chime in here.
 

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Preacher Man
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Discussion Starter · #6 ·
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Thanks to all and yes neoracer it was the shelter causing the problem causing me to loose one leg of the stator. that was what lead me to the regulator- boy that sucker was hot when I reached my hand in there. I did clean the mounting and applied a small amount of di-electric grease, tied all the wires back from it the best I could. A fan might not be a bad idea.
 
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