Brad, If your KR is going to have a 12 volt charging system and a 12 volt battery, then you will want the 14 volt units. I have not seen, or heard of, a 24 volt system on a KR.
See N64KR at http://KRBuilder.org - Then click on the pics See you at the 2007 - KR Gathering There is a time for building and a time for FLYING and the time for Flying has begun. Daniel R. Heath - Lexington, SC -------Original Message------- So, what dictates what voltage system you go with?