71 Cl450 carb questions

[Neiko]

Hey everyone!
After a piston meltdown, I have had my cylinders over bored 1mm and installed new pistons l, had the head and top of the cylinders decked back true. The question is, how much I should go up in jetting to Com for the larger bore?
Thanks in advance
Neiko

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[teazer]

Not at all. Stock will be fine IF the exhaust and intake are also stock.

Why did it meltdown? Does the bike have non OEM mufflers or Pod filters by any chance and if so how did you correct the jetting for those?