Hi, I'm a first time katana owner and also a first time bike owner. I've been having a horrible time trying to figure out an issue with my 2000 750. When I got the bike the guy trailered it a couple hours here and we unloaded it and fired it up. I was told it has a problem with one cylinder misfiring and you could tell by the way the bike was running, the guy said he had done a carb clean before because the bike sat for a while and has been having trouble ever since.
Since then I've tried to start it a couple times, the first time it just turned over forever but never even showed a sign of firing, tonight I decided to take a look at the carbs and see if anything was out of the ordinary. I was in auto mechanics for a lot of years but here's where my illiteracy with bikes really shines, I have zero idea what it's called but every carb has kind of a block off plate that acts like a plunger, I could push them up and you could hear the diaphragm pushing up with it. Every one acted fine except for one, I could move it up about 1/8th of an inch before I could feel binding and couldn't open it any more. So I opened up the top of the carb and couldn't find anything out of the ordinary, I put it back together and it operated fine, I'm guessing that the spring may have been off of the alignment peg in the centre of the cap or something and that why I didn't notice anything out of the ordinary. Could that be the cause of the miss on one cylinder? What are those for on these bikes?
Also after putting everything back together I tried to start it again and actually got a sputter out of it but then that quit and it went back to turning over with no luck, anything to check on this thing before I dive into checking the ignition system? Thanks for any help.
Since then I've tried to start it a couple times, the first time it just turned over forever but never even showed a sign of firing, tonight I decided to take a look at the carbs and see if anything was out of the ordinary. I was in auto mechanics for a lot of years but here's where my illiteracy with bikes really shines, I have zero idea what it's called but every carb has kind of a block off plate that acts like a plunger, I could push them up and you could hear the diaphragm pushing up with it. Every one acted fine except for one, I could move it up about 1/8th of an inch before I could feel binding and couldn't open it any more. So I opened up the top of the carb and couldn't find anything out of the ordinary, I put it back together and it operated fine, I'm guessing that the spring may have been off of the alignment peg in the centre of the cap or something and that why I didn't notice anything out of the ordinary. Could that be the cause of the miss on one cylinder? What are those for on these bikes?
Also after putting everything back together I tried to start it again and actually got a sputter out of it but then that quit and it went back to turning over with no luck, anything to check on this thing before I dive into checking the ignition system? Thanks for any help.
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