yamahaybr Posted September 11, 2012 Share Posted September 11, 2012 Hello all, I want to give my ybr yamaha a little bit more topspeed, is that possible with a K&N or other filter? The ybr does 55mph i want it to go 60mph. I just gave it a new maintenance with fresh Castrol juice and iridium sparkplug. I did also the valvejob and placed a new airfilter (original one from Yamaha) the reason why i want a little more topspeed is because it is now very dangerous with the trucks. Thanks in advance Link to comment Share on other sites More sharing options...
kashim Posted September 21, 2012 Share Posted September 21, 2012 Yes, you'll get more airflow with a K&N, extra MPH? doubt it, you'll need a high flow exhaust to go with like "the big one". And if in doubt - turbo charger Link to comment Share on other sites More sharing options...
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