So I recently got my hands on the Topteng Regulator/Rectifier for my Yamaha Moto-4 and while it's not perfect, it gets the job done. The installation process was straightforward and didn't require any fiddling around. However, it's not completely foolproof. I've noticed occasional fluctuations in voltage that make me question its reliability. Overall, it's a decent product that does what it's supposed to, but don't expect perfection.See full review