2015 trx500fm7 4 by 4 deluxe foot shifter.

Hi there can someone help me out here and thanks in advance. this is my problem i start my bike let it warm up in between 5 to 10 min before taking off then i go i shift 1 and 2 no problem then 3 and 4 i have to bend down and shift by hand other wise i would break off my foot then i shift on 5 no problem again .it only does it first time when i start it then i am good the rest of the ride it shifts no problem from 1 to 5.if i stop for a couple of hours i have to hand shift again on 3 and 4..hope someone as got the cure for this and i would like to know if anyone else as that problem….