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SOHC Singles & Twins / CB250K4 carburetor puzzle
« on: February 11, 2026, 07:23:06 PM »
Good night, I introduce myself, it is my first time in this forum. I have several Hondas from the 70s.
Now I am checking the carburation of a 1974 Honda CB250K4 and seeing the condition of the carburetors (different vacuum springs, different main jets and no number) I would like you to confirm the correct size for primary and secondary main jets. and also how can I identify the correct spring vacuum for my model
thank you for your attention
Now I am checking the carburation of a 1974 Honda CB250K4 and seeing the condition of the carburetors (different vacuum springs, different main jets and no number) I would like you to confirm the correct size for primary and secondary main jets. and also how can I identify the correct spring vacuum for my model
thank you for your attention