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Discussion Starter #1
Hello,

I have the Keihin VB22B carburetors and read through the Carb information thread, but might have missed something on the interchangeability of the VB22J carb....
Are the carbs in fact interchangeable if changed to the correct jetting??
 

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They are interchangeable. I would start with the VB22J jetting (72/115) and do some plug chops to determine if changes are needed.
 

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Discussion Starter #3
Alrighty thanks! Found a nearly complete (missing some screws) VB22J on Ebay for around $60 I couldn't pass up. The one that came on the bike had a broken float post I cobbled together with some safety wire, and a throttle return missing a tooth held on by a zip tie. Should clean up nice!
 

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Just to be sure we understand, the carbs should be swapped as a pair although I think one of each would probably still work. The jetting should be the same in both carbs.
 

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Yeah I gotcha.;) Skimming through some part numbers they appear to match except for the jets. In either case I'm just going to do a full rebuild on the one from Ebay and shelf the other one for future scavenging
 
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