Until I can afford a high end bass like a MTD 535, modulus or even a dingwall, I decided to upgrade my Yamaha BBG5S for the time being. My main beef with the Yamaha was not the tone or the construction, but rather the cheap, noisy electronics. Nobody could tell me if the noise came from the pickups or the pre-amp, so I gutted both of them. I threw out everything that had a wire attached to it and started over. I bought a pair of EMG 45dc pickups, which came with all the wiring and pots that I would need. I also bought a EMG EXB, which is a mini-EQ that gives an adjustable Slap conture. I never liked slap switches because they were either all the way on or off. I also took out the existing battery compartment and in it's place am using an 18 volt system. THe pickups are nearly a custom fit, with only an 1/8th inch gap on each side, and it was super easy to wire everything into place. The bass is now super quiet, with a great tone. I was worried that the EXB would make too much noise, but it's really pretty quiet too. It doesn't give as great a slap EQ as I was hoping for, but I may just leave it about 30-50% on, and just forget about it. If any of you have yamahas you are unhappy with, I can testify this fix really helps them a lot.