Do I Need to......

All R1 2007-2008 4C8 questions and discussions specific to this model should be posted here.
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Yam.A.HA
Been Here a While
Posts: 27
Joined: Sat Apr 26, 2014 7:20 pm
Bike Make & Model: Yamaha R1 4c8

Do I Need to......

Post by Yam.A.HA »

Happy New Year!

Guys, do I need to flash my ecu (on my 4C8) as I have changed to a K&N filter & cans to Two Brothers bit concerned that she might be …login to view the rest of this post


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