Hey guys, I did a search on this and couldnt find what I am looking for. I have a spare set of MC28 carbs I want to overbore to complement my larger displacement engine, and have no idea if this has been tried, and how far it can go. I have a very competent machinist here who is willing to do it, but if anyone has any specs or experience with this, could you help me out?

Matt, didnt you do this once? If so, any problems fitting or rejetting?

Thanks!!
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Paul Herr
'88 FZR4/GSXR/YZF Frankenbike
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