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Discussion Starter · #1 ·
Just got a 1980 cm400t.
Was barely running and had sat for a long time. New coil pack, cdi box, battery, and wiring. Problem came when I rebuilt the carb and acceleration pump. After rebuilding it idles fine and at low rpms throttles fine, but if I crank the throttle back fast or hard it gets stuck and just idles constantly. If i turn it off and back on it goes back to normal idle, normal running until i throttle it up high. Then gets stuck again. The cables are fine and arent getting stuck and I dont know what else it could be, she sounds great and alot better but this makes it impossible to even ride. Help please.
 

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Sensei
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Need a more descriptive statement of what happens with the carbs......IF you care to phone, we can discuss details.....

540-525-5199....Steve
 

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Are your pistons getting stuck open? Correct orientation and not binding?
Is there a spring under the cv diaphragm cap?
 

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Discussion Starter · #5 ·
Floats are set and I dont think anything is sticking. Orientation is correct as well. Anyone know a good place to just buy a new set? I'm about done fiddling with these ones.
 
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