Question about 1980 Honda CBX

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Hello i have a 1980 honda cbx motorcycle that won't idle down once warmed up from 3000 RPM..Carbs were cleaned

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Sounds like your carbs need balancing.

Posted on Mar 14, 2011

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06 v-star 1100 when twisting throttle and then back to idle position it takes a while to idle back down or stays at high rpm


More than likely the carbs are plugged up(makes the no idle, popping from the intake or pipe and sometimes hard starting), and/or a vacuum line(s) Is loose/broken, and the carbs are probably out of sync (makes the high sticking idle/little to no idle). I have many article written about cleaning the carbs and fuel system. Get the carbs and fuel system cleaned out if you are not familiar with the process.

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HAVE YOU TRIED PULLING THE GAS TANK AND CLEANING IT AND CHECK THE PETCOCK VALVE AND THE FUEL FILTER

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My cbr 600 f2 1993 had been sitting for a long time


Sounds like the carbs were not properly cleaned or set up. Choke should cause the cold start rpms to be higher than what you are experiencing. Application of choke to a warmed up engine will usually cause the engine to stall.

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I have a 1982 honda cbx,i had to remove the carbs,for cleaning,having a difficult time in reinstaling them,help,the carbs on this motorcycle were in need of a serious cleaning,i removed the carbs sometime...


Try soaking the intake rubbers in hot water, then refit and try again,if the rubbers are too hard soak them in thinners for a few hours or untill their plyability is back to normal and you will have no problem fitting your carbs.

Aug 01, 2009 | 1982 Honda CBX

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Idles but won't run at more throttle.


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Jul 15, 2009 | 1980 Honda CX 500 A

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Honda cbx 6 clutch rattle at idle and low rev hirendouse


Glazed alternator clutch plates? Kind of a ratcheting sound? Common when oil wasn't changed or sitting unused too long.
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2. Harder, but better. Remove plates and clean or replace them.

Mar 04, 2009 | 1982 Honda CBX

1 Answer

How do i begin adjusting the carbs?


1st-clean air filter and oil,fresh plugs,good fuel,valves adjusted correctly,check for tears or cracks in intake boots,fire in all cylininders;minimum compression & w/in10% of each other in all cylinders, and no exhaust gasket leaks. once these components are w/in specs. and operable the carburators can be adjusted, as long as they are internally clean and operating as designed.1st- set high idle, then set idle rpm, now synchronize vacuum on carburator set,now readjust idle rpm.

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