mercury smoking

[chipnfish]

I have a 2005 merc 25hp bigfoot, suddenly started smoking the voltage regulator.can someone tell me what might have caused this?

 

[faztbullet]

Bad battery or connections....

 

[bilge rat jim]

Crappy regulators (and poor positioning on the water jacket)- there was a massive fix campaign (kinda like a recall) on these regulators. Here's a link to the service bulletin- although the SB is for 30-60 hp models, it was also extended to include 25hp BF models.

http://crowley-cloudfront.s3.amazonaws.com/media/mercuryBulletins/001/03/2005/EN_11.PDF

 

[chipnfish]

thanks , am switching it out with CDI product.