I'm having trouble with my Mercurycruiser Alpha I 350 engine size is 350,,or 5.7 litter 4 barrel Carburetor rock Chester i have installed a new sea pump New shifting cable followed all the steps now I problem up top Side mount control shifter on my 1991. Can't bring the shifter into natural or even R.H reverse LH forward ok throttle control move smoothly now I can't get the R H reverse and Natural won't go into that part as quoted All Brand New From Mercurycruiser Here what can I do please help with my problem thank you

