put a 38mm on it, a stock zilla carb will work fine on a 250
85-86 = 32mm
87-92 = 34mm
36 is same od as a 32-34, a 38 will fit with some persuasion.
I have a 34mm round slide Mikuni....would that be a stock 87-92 250 carb?
all lt250's came with a flat slide mikuni. that might be a tecate carb
the 85-86 can't really go bigger than a 36mm. the cases hit the carb. could probably do it but be tight fit. also wouldn't make sense as the carb bore would be larger than the intake. need to open the intake up.
i have a 90 im putting a 36mm flatside mikuni