How much power does the R3 / MT-03 make?  This is the most extensive Yamaha R3 exhaust and Superbike build information you’ll find anywhere! Read on! It’s been a couple years since I first released my article on the Yamaha R3’s power and some of the available exhaust systems. But a lot has changed in the

I spent some more time on the dyno this weekend testing exhausts and fuel controllers for a big writeup I’m working on.  In the process, I also had a chance to personally test my 415 chain and sprocket kit against the stock 520 chain and sprockets (well, actually the rear sprocket was a lighter Vortex