1972 CB350 Twin: Bike has existing electronic ignition/ timing looks bang on/ fires on right cylinder/ has spark on left cylinder but no combustion - why?

Larry Dziuba

June 16, 2024 23:09

Left Keihin carb looks very clean.  Pulled jets & emulsion tubes from carb & sprayed with carb cleaner then air.  Inside of carb is spotless.  Idle speed screw looks great & nothing is plugging channel to main carb body.  Why won't left side fire up?

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  Josh

  February 11, 2025 20:58

  Hi Larry,

  I have a 1969 CB350 and also have a left side not firing. I still have to troubleshoot a few things but did you ever find out what was going on? 

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