Why not build your utility trailer with some removable stuff that can be used to tie down the bikes? And then drag two trailers? That's not a big deal.
What's the size of the deck on your utility trailer? It's gotta be able to fit two bikes, facing opposite...
Or go Woody style w/ a twist - Diesel tow rig - gooseneck - slide-in popup - 100 series - dirtbikes
Rising Sun Bio
2F "Brahma" + Lockright, tach, Warn 8274, FJ60 Power Steering,
no more Sanden OBA
1FZ-FE factory lockers +
Safari intercooled turbo, CDL switch, cup holder, Metric TLC leather, heated seats, JDM switches, PUMA OBA.
Warn M12000 waiting for a bumper.
Limited TRD 2UZ-FE SOLD