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Okay here is the deal, bought a 90 gsx600f without hearing it run, Got it for $1000, so said what the heck...Got it home and done some looking and a fuel line was pinched, got it unpinched and it started up, but ran real rough and would backfire and spit fire out of the tailpipe. Took it for a ride and when I would throttle it would hesitate in first and second gear, but once up in higher gears it would go, but still be rough. Came home took the airbox off and it had a k&n filter and also the boots on the airbox were loose from the carbs. While I had it apart I went ahead and replace the air filter to the OEM filter, replaced petcock, replace fuel line, vacuum lines and put it back together making sure the air box was tight on the carbs.
Once I got it back together it ran great, no hesitations in any gear, nothing seemed wrong at all, other than the starter went out...So I tear it back down to get to the starter and figured what the heck, I will repair and repaint the fairings and tank while I waited for the starter to come in. When working on the tank I could hear some rust in it so I used disilled water, shook it up and their was what appeared to be big patches of lining (I thought the PO left sandpaper inside the tank) there was several big pieces.
Anyways, Today I put it back together and took a little while, but it finally started after it got some fuel into it, started doing the same thing when I first bought it, but straightened out. When its sitting it idles perfect, it throttles perfect, and takes off in first gear perfect....BUT, when I take off it has a slight hesitation in first and second gear, not too bad though, when I shift into third it really starts to hesitate and in fourth, so I let off and start downshifting and it just dies on me, I pull over and try to restart it and it takes a few minutes to start again, and on the way back home it starts the same thing over again. I park it and it idles perfect, throttles perfect...So I have no clue what to even look at. The 2 middle carbs look to be a little wet on the bottoms of them.
Any suggestions, have a big bike run coming up this weekend and I want to make sure it's running perfect when I take it.
The guy I got it from did say it had been jetted to accommodate a new exhaust....As of right now I have replaced..Petcock, Air Filter, Spark Plugs, Fuel and Vacuum lines.
Hope I gave enough information.
Once I got it back together it ran great, no hesitations in any gear, nothing seemed wrong at all, other than the starter went out...So I tear it back down to get to the starter and figured what the heck, I will repair and repaint the fairings and tank while I waited for the starter to come in. When working on the tank I could hear some rust in it so I used disilled water, shook it up and their was what appeared to be big patches of lining (I thought the PO left sandpaper inside the tank) there was several big pieces.
Anyways, Today I put it back together and took a little while, but it finally started after it got some fuel into it, started doing the same thing when I first bought it, but straightened out. When its sitting it idles perfect, it throttles perfect, and takes off in first gear perfect....BUT, when I take off it has a slight hesitation in first and second gear, not too bad though, when I shift into third it really starts to hesitate and in fourth, so I let off and start downshifting and it just dies on me, I pull over and try to restart it and it takes a few minutes to start again, and on the way back home it starts the same thing over again. I park it and it idles perfect, throttles perfect...So I have no clue what to even look at. The 2 middle carbs look to be a little wet on the bottoms of them.
Any suggestions, have a big bike run coming up this weekend and I want to make sure it's running perfect when I take it.
The guy I got it from did say it had been jetted to accommodate a new exhaust....As of right now I have replaced..Petcock, Air Filter, Spark Plugs, Fuel and Vacuum lines.
Hope I gave enough information.
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