Quote:
Originally Posted by frank80
If you change your exhaust you will want a fuel controller. The bike will run lean and you can risk burning up your head over time.
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The FZ is fat from the factory as others have stated. Yamaha builds this into the stock fuel in anticipation of people adding an exhaust and other tweeks. Me thinks your motor will be fine.
The beauty of the PC3 is a tuner can totally dial your specific set up in.