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Only Running On One Cylinder**

brozif

CB750 New member
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Greensburg
I have a 1980 CB750C. Went through the carbs, new intake boots & air box boots. I finally got the bike running. The bike really isn't responsive to full throttle. It will rev slowly to 5k max, and will kill itself under load. It is only firing on cyl number 4. Replaced coils, plugs, and plug wires - Still only running on cyl #4. Not sure what is going on.
 
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