New alternator

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pjcomeau

Has anyone replaced their alternator recently for the M25XP engine? I'd like to keep it around 70A to 80A. Any model numbers that were/are easy replacement for the original Motorola? Are there other external regulators other then the Balmar ones?

Thanks,

Pierre





Pierre Comeau
Time To Keel, 1988 #687  Saint John, NB Canada

Rick Johnson

I just recently added a Balmar 912-75 (NOS) and a Balmar ARS-4 regulator (more NOS). Installation was easy after reading all the advice here.  I'm very happy.

Cheers,

Rick
Rick Johnson, #1110, 1990, s/v Godspeed, Lake Travis, TX

Ron Hill

#2
Pierre : Just remember you'll probably have to reset your tachometer dip switches as you'll undoubtedly have a differant size alternator pulley, unless you use the same pulley. 

Many writeups on that proceedure.  A thought
Ron, Apache #788

Stu Jackson

Spend $400 for a Balmar or $120 for a Blue Circle.  Your boat, your choice.  See:  http://www.c34.org/projects/projects-electrical-system-upgrade-2.html

No tach resets required either.
Stu Jackson, C34 IA Secretary, #224 1986, "Aquavite"  Cowichan Bay, BC  Maple Bay Marina  SR/FK, M25, Rocna 10 (22#) (NZ model)

"There is no problem so great that it can't be solved."