Re: mikuni carbs
Mikuni made side drafts, I believe, which are very similar to Weber Side Drafts. There was one other Italian company, Dellorto that also made side drafts that fit the Samurai. You get 2 carbs, so one throttle bore per cylinder. When tuned well, they roar pretty good! And I understand they do well at angles too. Not like the down draft weber that is much more common. The draw back is the money. The sidedrafts are twice the price of a down draft, Ofcourse you do get 2 carbs! And much more power!
I think Samurai's were factory fuel injected as of '89 or '90. And I know Turbo City has a bolt on closed loop FI system for the Samurai, but it was 1200 bucks when I looked into it. That was a little steep for me.
Hope this helps
88.5 Samurai, SPOA,Rancho springs, Rocklobster, full cage, Schroth Harness belts, EZ locker, 32x10.50 Swampers, on board air, Weber, header etc...