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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: K75RT Keith on February 14, 2014, 09:32:24 AM

Title: Alternator Compatibility
Post by: K75RT Keith on February 14, 2014, 09:32:24 AM

Got offered a 50 amp alternator from a R1150RT.  The numbers on the tag match and it looks like if I replace the pulley with a cup it will fit.  Anyone know of this observation is correct? 

Title: Re: Alternator Compatibility
Post by: Kyle10 on February 14, 2014, 10:17:41 AM

http://www.motobrick.com/index.php?topic=5231.msg33108#msg33108 (http://www.motobrick.com/index.php?topic=5231.msg33108#msg33108)

This may help

Title: Re: Alternator Compatibility
Post by: K75RT Keith on February 14, 2014, 12:18:36 PM

Checked the BMW part numbers and the alternator is the same.  Think I'll just buy a new cup and upgrade.

Price for a used R1100/R1150 alternator is a heck of a lot less than a K1100