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85 GS 550 ES
Has about 21k on it
The bike won't do over 55 mph with the choke open all the way. It'll start lunging like it's out of gas. It'll rev up to redline just fine with no load on the motor. If I choke it while on the highway it'll start pulling like it should and I've gotten it up to 80 before letting off but it feels like it's got a lot more to go, so it doesn't seem to be an ignition problem, but a lack of fuel problem. I've cleaned the carbs twice, made sure fuel comes out of the tank good, and messed with the float levels. Would having the float level's too high cause this problem? It definately doesn't run rich, but I just checked the level and it's at 16.5 mm, which seems way to high. It's got a stock style air cleaner, stock exhaust, and stock jetting. No fuel filter other then the in-tank one and that's been checked.
By the way, I bought this from the original owner in '91 and it's always sorta had this problem since I've owned it. It would never do over 75, but choking never made a difference. I never really worried about it because I drive it 99% in town. A few years ago the ignition died on it so it sat for a couple of years and I finally got the parts it needed but the carb problem got a lot worse while sitting which is why I cleaned them up. The guy I got it from said it would do 115 no problem, but it sat for a while before I got it from him. I'd like to take it on the highway now, but it can't get up to speed and choking it for real driving is a bad idea cause it makes slowing down quickly dangerous at best.
Any clues would be greatly appreciated.
Mike
Has about 21k on it
The bike won't do over 55 mph with the choke open all the way. It'll start lunging like it's out of gas. It'll rev up to redline just fine with no load on the motor. If I choke it while on the highway it'll start pulling like it should and I've gotten it up to 80 before letting off but it feels like it's got a lot more to go, so it doesn't seem to be an ignition problem, but a lack of fuel problem. I've cleaned the carbs twice, made sure fuel comes out of the tank good, and messed with the float levels. Would having the float level's too high cause this problem? It definately doesn't run rich, but I just checked the level and it's at 16.5 mm, which seems way to high. It's got a stock style air cleaner, stock exhaust, and stock jetting. No fuel filter other then the in-tank one and that's been checked.
By the way, I bought this from the original owner in '91 and it's always sorta had this problem since I've owned it. It would never do over 75, but choking never made a difference. I never really worried about it because I drive it 99% in town. A few years ago the ignition died on it so it sat for a couple of years and I finally got the parts it needed but the carb problem got a lot worse while sitting which is why I cleaned them up. The guy I got it from said it would do 115 no problem, but it sat for a while before I got it from him. I'd like to take it on the highway now, but it can't get up to speed and choking it for real driving is a bad idea cause it makes slowing down quickly dangerous at best.
Any clues would be greatly appreciated.
Mike
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