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As I found out while investigating some transmission woes, I believe the engine (at least the cases) in my '80 CB400T is actually from a '78 CB400T II. This now has me wondering about the carbs.

I'm guessing that they are the original ones from the '80 but wondering if there is any difference between the carbs on the '78 and '80? If they are the same carb, is there any jetting difference? I just want to know if I have the correct jetting for the engine. The jets in them now are marked as 70 and 110.

Thanks
 

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just go to one of the parts sites and look up and compare between the years
 
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