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Technical Help Forum
Started by Tstewart IL at 07-20-2008 2:35 PM. Topic has 3 replies.
  
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 07-20-2008, 2:35 PM
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Tstewart IL
 
Joined on 07-19-2008
Illinois
Posts 20
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Carb is draining, Float is down???
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I've been reading some older posts about carbs dumping fuel, and thought my issue was the float staying up. I've seafoamed, tapped, and removed the carbs. THe floats are falling as they should.
What elso could possibly make these dump gas like this? Should the drain valve be closed on the bottom of the Carb?
Thanks for the help, Taylor
p.s. Love the forum
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07-20-2008, 3:14 PM
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Blindstitch2002
Joined on 05-16-2007
Greenfield Wisconsin
Posts 2,659
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Re: Carb is draining, Float is down???
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Fuel valve not seating properly. Possibly gummed up, misshapen or just not working.
Slits in the overflow stems inside the carb. You can test this by filling them up with water over a sink and if when they are full they start to leak. Look for a small crack down the stem, sand it and solder it back togeather.
If you mean the drain valve at the bottom of the carb that has a small screw in it facing to the left. Yes it should be tight. If it isn't tight then fuel will drain out of the carbs.
1978 Honda Cx500 Maggot
1979 Honda Cx500 Custom
1980 Honda Cx500 Deluxe Couch Project Bike
CX500 Factory Service Manual
Courtesy of Randall-in-Mpls
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07-20-2008, 3:15 PM
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Pooterhead
Joined on 06-07-2008
Lakesite,tn
Posts 54
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Re: Carb is draining, Float is down???
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Yes. Drain valve should be closed.
1980 cx500c (fubar) you meet the fastest people on a honda!
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07-21-2008, 5:07 AM
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NstyDevil
Joined on 05-20-2007
Toronto, Ontario
Posts 208
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Re: Carb is draining, Float is down???
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and occasionally, just occasionally mind you, as the parts go back in, and the carbs go back on, and if the drain is still closed, I give the carbs a rap with the plastic end of the screwdriver, to "help" get the floats back in their movement range.
__________________
'80 CX500 Deluxe
approx 80k on the odometer
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Honda CX500 & G... » CX500 GL500 Tra... » Technical Help ... » Re: Carb is draining, Float is down???
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