Hi there, Im new here and had a ? I just bought a 2003 Ninja 636. Ive done a lot of work to this bike and have tried many things for my problem.. The bike seems to have a lot of power but when im in first gear and wack the throttle its not taking off like it should, seems delayed. and like there may be a vacuum problem or something. Ive changed my entire throttle body unit with all the sensor but still something isnt right. Any ideas ?