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Hello.
I have an issue with my '95 katana carbs. Seems that there are two small feeder pipes on the back of the central carbs that broke, and while I've managed to seal them up mostly with epoxy (welding didn't work- they melted too quickly), my bike still behaves erratically at idle. I THINK this is the issue. What I tend to notice is that when it's very hot outside, my idle will die down to almost nothing, to the point where I have to hold the throttle just open at traffic lights to keep it from stalling, and when I raise the idle screw, nothing happens for a bit and then suddenly it jumps to 4k. When it cools down, the epoxy seems to harden up a bit more and the idle will behave mostly normally, though a few times after heavy riding I have had the idle suddenly freak out and stick at upwards of 6 or 7k, and had to turn the bike off, twist the idle screw out hard, and wait for it to cool, though this has only happened twice so far (two times too many for something bizarre like that in my opinion).
Some other things that might make a difference- I installed gsxr750 cams, a factory pro stage 1 kit, and a K&N filter recently (the idle issues were happening BEFORE all of this, however, so I don't think they had anything to do with it). The bike runs beautifully otherwise- midrange and top end power is strong and I don't have any flat spots or hesitation, and the throttle rolls on pretty smooth.
I'm pretty sure the broken pipes are the issue, but I don't even know what the heck they are, or if there could be something else to look for. IF that is the case, I need a new set of carbs, anybody know where I can get some? I'll send the old ones to someone if they want to try and rebuild 'em.
Thanks!-
wetz.
I have an issue with my '95 katana carbs. Seems that there are two small feeder pipes on the back of the central carbs that broke, and while I've managed to seal them up mostly with epoxy (welding didn't work- they melted too quickly), my bike still behaves erratically at idle. I THINK this is the issue. What I tend to notice is that when it's very hot outside, my idle will die down to almost nothing, to the point where I have to hold the throttle just open at traffic lights to keep it from stalling, and when I raise the idle screw, nothing happens for a bit and then suddenly it jumps to 4k. When it cools down, the epoxy seems to harden up a bit more and the idle will behave mostly normally, though a few times after heavy riding I have had the idle suddenly freak out and stick at upwards of 6 or 7k, and had to turn the bike off, twist the idle screw out hard, and wait for it to cool, though this has only happened twice so far (two times too many for something bizarre like that in my opinion).
Some other things that might make a difference- I installed gsxr750 cams, a factory pro stage 1 kit, and a K&N filter recently (the idle issues were happening BEFORE all of this, however, so I don't think they had anything to do with it). The bike runs beautifully otherwise- midrange and top end power is strong and I don't have any flat spots or hesitation, and the throttle rolls on pretty smooth.
I'm pretty sure the broken pipes are the issue, but I don't even know what the heck they are, or if there could be something else to look for. IF that is the case, I need a new set of carbs, anybody know where I can get some? I'll send the old ones to someone if they want to try and rebuild 'em.
Thanks!-
wetz.
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