CB750 f2 carb replacement options

[Ojb1]

Hello, I wondered if anyone can help. I have a '78 cb750f2 and the carbs are a bit tired, not only are they all a bit fluffy but pot one seems to not be round and the piston sticks so I need a replacement set of carbs. Looking on eBay they are either rare or very pricey so I wondered if anyone knew if any carbs from another bike would work as a budget alternative or from another model.

Not to worried about originality and I don't need it to fit the original air box either, just need something to get this old F2 back on the road.

Thanks for any help you can offer, I'm in the uk

 

[dirtdigger]

You can use earlier carbs if you get the correct boots to go with them but you will loose a bit of power depending on what carb you use. You can use the K carbs of the same year but need the corresponding boots. Best thing would be going with an aftermarket set of Mikuni RS carbs but they are spendy.