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Originally posted by Vloukole
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I have nothing but good to say about the Morgan Carbtune, but make sure you pick up the brass fittings for the vacuum ports if you go this direction. The standard plastic ones are a little weak.'83 GS650G
'83 GS550es (didn't like the colours in the 80's, but they've grown on me) -
Check out this video, it will really help with the cleaning and reassembly
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Guys the bike still runs very rich. The carbs are clean and I set the mixture screw and adjusted them but still nothing. What if I increase the air flow? Perhaps the airbox is restricting the air flow somewhere. The air inlet is pushing against the wiring harness.sigpic 1980 GS550EComment
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A new filter in there already??? If not a new one will improve things. If its still rich then like we had said before, its jetting. I think you said the rubber plugs over the pilot jets are there and new..right?? So yeah read the CV Carb Tuning tutorial in the STICKYS at the top of this forum and go from there with the jets is my suggestion.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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Yes the filter is new. The rubber plugs are new aswell.sigpic 1980 GS550EComment
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Why do you think it is running so rich with the stock jet sizes? What changed?sigpic 1980 GS550EComment
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The carbs are now internally clean and the jets are just what they are maybe. In any case we have effectively eliminated everything except jetting, so the evidence is pointing in only that direction to me.
What size pilot and mains are in it now???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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115 mains and 40 pilotsigpic 1980 GS550EComment
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Someone also suggested that a previous owner may have drilled the holes out..which is well within a good possibility. The numbers may say one thing but the bores be way bigger. One way to check is with number or letter drills that go very very small.use them like pin gauges to check the actual hole sizes. Heres a chart to use as a guide.
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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What year again??? Those numbers sound way to big to me to be stock. I want to see if I can find the manual and read up on them.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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I bought all new jets. Main, pilot and air jets.sigpic 1980 GS550EComment
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Its a 1981 or 82. Gs1000 Gsigpic 1980 GS550EComment
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What manual do you have? Will the right size jets in the wrong carb bodies make it run bad?sigpic 1980 GS550EComment
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You are getting confused Chuck. He has 34CV carbs and his stock jetting was: 115 mains, 40 pilot, 5D57-3 jet needle, X-8 needle jet with 160 pilot air jets.Comment
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Yes that is my specs GSX1000E. How do I know that I have the correct carb bodies and not another bike's carbs?sigpic 1980 GS550EComment
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