Yamaha YZF-R7 stage 3 derestriction/tune
Dave at Dynobike puts the new Yamaha YZF-R7 on the dyno showing the gains to be had via Dynobike's recently developed Stage 3 set tune.This particular Stage 3 Yamaha YZF-R7 has been equipped with a Yoshimura exhaust though the stage 3 product includes a DNA oval pod filter kit, engine...