Rebuilding a CV Carb Question ???
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Road Master
Joined: May 2007
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Rebuilding a CV Carb Question ???
I have a Mikuni carburetor on my bike, but I'm rebuilding a CV carb (#27414-99) for a friend and I'm not all that familiar with it. I'm at the point where I want to run the carb body through the parts washer tank (filled with Gunk Carb Cleaner) but I'm worried about the two inlets (shown pictured.) I think they are aluminum but I'm not sure if they aren't plastic coated, or just painted black. Are these inlets threaded on the carb? I gently tried turning them off but I'm afraid to go at them too hard if they are fixed in place and I break one. Anyone know how to remove them? Do I have to remove them? My main concern is the solvent will hurt whatever it is they are coated with.
HDF Community Team
Joined: Jun 2006
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From: san antonio
The fittings are brass/plastic and are pressed into the carb body. You have to destroy them to remove them; there are brass replacements. The carb doesn't look that dirty; don't think it is necessary to run it through the cleaner. A little fuel and some compressed air is all you need. Don't know if you are aware that the float adjustment for a CV carb is a little different from most float adjustments. It it's not right, fuel mileag will be affected. Find a service manual for the bike/carb and check out the float level adjustment procedure.
Advanced
Joined: May 2010
Posts: 79
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From: Northern Ontario
I have worked on many Mik's and have found the only solvent that affects those spigots would be lacquer thinners.Watch when you use air pressure in the mixture srews,some models have a small washer and O-ring in the passage.
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Road Master
Joined: May 2007
Posts: 899
Likes: 10
Thanks, and just for future reference the Gunk Carb solvent didn't bother the plastic coated nipples. And yes, I found the small washer and replaced that o-ring on the mixture screw with a new one.
Bagged, tagged and ready for return for service!
Bagged, tagged and ready for return for service!
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