Racing Season Begins! Bike410 Stopped by to lay it DOWN!!! Published by 4661 on 2014-05-04 | Leave a response So bike410 stopped by tonight to make a few dyno pulls. 246hp@22psi boost. All of this with 2004 600cc Yamaha R6. Click on the post to watch the dyno video. http://patriotlsr.com/4661/wp-content/uploads/2014/05/MVI_8437.flv