problem with some loops - tempo - musical mode

I have some wav loops that are 125 BPM, they are 2 bars long, kick drum only,

So I load them into project of a slightly different BPM, click to open the editor, click musical mode as Cubase recognises the loop is 2 bars long.

the grid aligns, so I copy the loop to fill the 8 bars I’m cycling

The loop now starts playing in time but with the first kick drum in every original loop slightly chopped so the first in each 2 bar loop sounds noticeably different.?

Any Ideas anyone?

Cubase should easily do this simple time stretching edit feature? it used to in 8.5