It looks like Lithium batteries need a 14.3 volts charging rate. This is a higher level than some bikes produce. My old Transalp puts out about 13.8 at it's highest point, observed. I noticed that a common problem, from reading the Transalp sites, is over charging and boiling the battery dry. The general concensus is the problem is resistance in the voltage sensing circuit to the regulator/rectifyer, and the cure is to clean all of the connectors and/ or run a new wire from the RR to the battery so there's no resistance build up. So if too much resistance to the RR causes the regulator to charge higher, then why not install a quality variable resistor in that circuit, and an accurate volt meter on the insturment pannel, so you can set the charge level at an optimium level. I suspect newer bikes have different configurations, and wouldn't allow this.
2bold2getold screwed with this post 03-04-2012 at 10:34 AM