I've got a few questions - probably elementary ones but not to me. I just recently found out that I don't have a cdi
Thats ok, it's a learning experiance
Are these carbs larger than the standard bandit carbs?
Yes, stock Bandit (USA model) has 32mm carbs, the GSXR uses 33mm carbs. It doesn't sound like much, but it equates to a large increase in flow.
What would be involved in mating these to a US Bandit engine? Would the gasket be the same bandit gasket or...? Are the connections exactly the same...or some fiddling required?
Bolts right on, although it's a -little- tighter on the manifolds.
What jetting kit would need to be used? I'm assuming that I would then need parts for the GSXR400 to fix the carbs after that or....?
I'm not sure on the jetting, mine wasn't right at all. I'm not sure if other bikes use the same carbs or not or how hard they are to get parts for. I can't imagine they'll be harder to get parts for, considering the 32mm carbs are next to impossible anymore.
Are they from a GK73 or some other variation of GSXR400?
Mine were from a GK73a, I believe. I don't know about the GK76 (I think thats the other one).