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When cleaning the carbs I broke one of the brass tubes on the bottom of the carb. What is this tube? idle or pilot circuit? Are these repairable or replaceable? can only think of swapping out a whole new carb body unless there are other easier recommendations.
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It feeds the choke circuit. VM carbs? What bike? It may be possible to solder it back on, but best solution is probably to replace the whole carb body.Regards,
Jason
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1978 Suzuki GS750 EC -
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I replaced similar tubes in the float bowls of some Keihin carbs. Used this tutorial... http://cx500forum.com/forum/general-...placement.html
Hardest part was rolling over the end of the tube. I used the dimple in the side of a threading die to roll over the ends but the rolled lip was fragile and some of it broke off when the tube was pressed into the carb body. You may want to experiment with the best way to roll over the end and consider soldering the end of the tube and then drilling a small hole through the solder. You have to drill holes in the side of the tube anyway so what's one more hole? At any rate, I think it's a very doable project.
Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-ResurrectionComment
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Yes at the holes at the very top is usually where they break off. I was told they are bleeder holes that stop too much fuel to be sucked up when choke is applied. Basically the tube is said to fill uo and its more or less like you sipping coffee from the very rim of your cup. Enough for a taste but not to instantly fill your mouth.MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550
NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.
I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.Comment
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You might not miss it. It is only used when the choke is out, if the other 3 will keep it running until it warms up a bit you might be good...sigpic
09 Kaw C14 Rocket powered Barcalounger
1983 GS1100e
82\83 1100e Frankenbike
1980 GS1260
Previous 65 Suzuki 80 Scrambler, 76 KZ900, 02 GSF1200S, 81 GS1100e, 80 GS850GComment
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That was my next question... Does it matter if one of the four tubes is broken? As long as it doesn't affect the idle or smoothness of running down the highway I might try it without repairing.Originally posted by bobgroger View PostComment
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