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07-15-2011, 09:30 PM
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#1 |
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Registered Member
Join Date: Jul 2011
Posts: 7
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82 Honda CM450 carb overflow
Hello,
I have an 82 Honda CM450 and it is leaking about 1 drop of gas every second out of the left float bowl overflow. I have taken the bowl off and everything looks good. The floats are clean move fine and are in good shape. Anyone have any ideas on what the issue can be? Thanks, Sean |
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07-16-2011, 06:16 AM
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#2 |
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Robby
  
Join Date: Nov 2001
Location: 8501 ft.
Posts: 16,803
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The needle valve and seat have a piece of crud on them or are worn out.
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07-16-2011, 09:12 AM
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#3 |
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Registered Member
Join Date: Jul 2011
Posts: 7
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Ok thanks, I will take a look today or tomorrow.
Sean |
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07-16-2011, 10:06 AM
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#4 |
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Registered Member
Join Date: Jul 2008
Location: Kalapana, Big Island
Posts: 3,956
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When he says worn out look for a ring around were it seals. If thats what you discover just replace it.
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"YOU CAN'T BOLT ON SKILL" "The only thing limiting your bike, is you" We survived Bush you'll survive Obama! "the most fundamental fact about the ideas of the political left is that they do not work. therefore we should not be surprised to find the left concentrated in institutions where ideas do not have to work in order to survive." --thomas sowell |
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07-16-2011, 04:59 PM
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#5 |
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Registered Member
Join Date: Jul 2011
Posts: 7
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So I swapped the floats and float valve from the right to the left, the right side is still fine and the left still leaks. I will try shooting some compressed air up there and hopefully that will do the trick.
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07-17-2011, 06:37 AM
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#6 | |
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Registered Member
Join Date: Dec 2010
Location: Central Illinois/North Cent. Florida
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Quote:
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My Rides: '07 Honda Shadow VLX 600 '06 Suzuki S-50 (VS800) |
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07-17-2011, 09:34 PM
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#7 |
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Registered Member
Join Date: Jul 2011
Posts: 7
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No, I think I will need to remove the carb to get to the seat. I am going to pick up some stuff tomorrow to clean the seat out real good the way it is and hopefully it will do something.
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07-20-2011, 06:33 PM
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#8 |
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Registered Member
Join Date: Jul 2011
Posts: 7
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I figured it out. The brass drain thing attached to the drain screw is leaking. Is it detachable or do I need a new float bowl?
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07-20-2011, 06:51 PM
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#9 | |
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Robby
Join Date: Nov 2001
Location: 8501 ft.
Posts: 16,803
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Quote:
__________________
I've seen things you people wouldn't believe. Attack ships on fire off the shoulder of Orion. I watched c-beams glitter in the dark near the Tanhauser Gate. All those moments will be lost in time, like tears in the rain. |
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07-21-2011, 06:28 AM
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#10 | |
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Registered Member
Join Date: Dec 2010
Location: Central Illinois/North Cent. Florida
Posts: 763
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Quote:
That drain tube serves two functions. If you open the screw, it functions as a drain. With the screw closed, the pipe inside the bowl is still open at the top......and functions as an OVERFLOW. All of your symptoms STILL point to the bowl being too full and a float or needle valve problem. While it is possible that the drain tube is loose or cracked, it is HIGHLY unlikely.
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My Rides: '07 Honda Shadow VLX 600 '06 Suzuki S-50 (VS800) |
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