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        The Shindengen Mosfet regulators have been a life saver for thousands of motorcycle enthusiasts. I was introduced to them a few years ago and liked how they performed so much that I started the Mosfet regulator upgrade industry around them. Although the Mosfet is still a shunting type regulator which means (in layman terms) it takes all the extra juice that is not used by your motorcycle electronics and gets rid of it by grounding it to the frame or negative side of the battery. The great thing about the Mosfet R/R is that it has up to date technology. It uses Mosfet style transistors. The old diode types found on most motorcycles today are 60s technology. The up to date technology lets the regulator perform substantially better and run cooler. I have close to 2000 upgrade kits out there running the Mosfet regulators and had literally no issues with them. I started out with the FH012AA, then the FH015AA and now the latest and greatest FH020AA. All have performed above expectations (actually I'm amazed how bullet proof these have been).  As far as I am concerned there is no other choice for a stock motorcycle upgrade conversion. The great thing about this regulator is its ability to work with  a  2 wire (single phase) or 3 wire (3 phase) stator just by hooking up either  2 or 3 wires to the gray terminal. The Mosfet technology is the best thing going until someone comes up with an affordable series R/R using Mosfet technology. So if you have been wondering about whether to upgrade to a Mosfet or stay with your stock R/R, stop wondering. Whether you purchase it from me or one of my competitors it's the most reliable and best alternative I know of. If you decide to upgrade and you have an charging issue I'll help you out, it does not matter to me where you bought it.  Jack