Looking for some suggestions if possible, RNG is rather foreign territory for me.
Mid shot;
ItemSet 324272
Namas
ItemSet 324273
and then I don't have a clue for what I'd do with Jishnu's, these sets are just outlining a goal I'm setting for myself to accomplish, and will use gear that gets upgraded along the way as filler in between then and what I finish.
also is barrage pants still worth having, or is all barrage + at use of the ability and not when the shot goes off.
A 4-hit is ideal, but you need 42 STP to reliably get there with Yoichi.(3-of-4 recycle procs)
Your current TP set is a 5-hit, with 3 out of 5 hits proc'ing recycle bonus from Arcadian Beret +1.
I would swap out gloves for AF3+2, pants for Aetosaur Trousers+1, and ring2 for K'ayres Ring. This will give you a 4-hit, when all 4 shots proc recycle. It won't happen every time, but it will happen enough to increase your DPS.
WS in arcadian beret, sylvan back, rajas, orion body+1, and aetosaur trousers+1. If you fall short, you may need to add af3+2 gloves to WS as well.
The sooner you can get Mekki Shakki, Bloodrain Strap, Kyujutsugi, and Tripudio the better. Remember Yoichi doesn't need as much racc due to it's aftermath, and how accurate Namas is. Gear choices like Hurlbat aren't all that useful for bow.