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 past couple years so it was time for an update.
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
This post will cover how to remove the air injection system and charcoal canister from the Yamaha R3 using my removal kit with blockoff plate. If you will be tuning the Yamaha R3 using an O2 sensor, you will have to bypass or remove the clean air injection system first in order to get proper AFR