Make sure you adjust the right screw, there are 2, on holds the shifter on the shaft and one controls the shift. The center one it the one that holds it on the shaft and should be hard to turn counterclockwise. I would suggest to turn the shift adjuster 1.2 turn counter clocwise then try it, do it again and again until you get it to shift. Dont do it too much otherwise you might loosen too much and the spring will pop out, you may have a bad shifter too, i had one and had to replace it. let me know what happens.