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Anybody have any idea what this? I fired the engine up for the first real time since ive gotten a proper fuel tank. At first it was idling just fine with a cap over this vacuum port that the previous owner had on it. but the engine would not rev over 2k rpm before eventually dying. then I took the cap off and the rpms would shoot up to 3k but if I tried to cap off the port again it would die right away. and if I take it off the choke it dies. If looked over all the material I could find on carb and vacuum lines but most of those are for the 4cyl and does not seem to have this particular port. any ideas?
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Not acquainted with the 425, but that might be your vacuum port that should be connected to the petcock.
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mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
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There is a hose that belongs there that runs back to the petcock.1981 GS 450L
2007 Kawasaki Vulcan 900 Custom
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ok, that is what i thought it was.Comment
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