2007 Harley Davidson FXDWG Dyna Wide Glide "lose transmission linkage" Questions

wont go into first gear linkage is lose how do i fix this please help There should be an adjustment on the rod that goes to the transmission.

lose speed rapidly. And just recently it has started to occassionally sputter on acceleration. When I accelerate for the first time I will hear a light thunk near where the cas pedal is but it wont do