Join Date: Apr 2008
Location: East End Isle of Long, NY
If you can, try running off an auxiliary fuel tank- since the tank and/or petcock might be contributing to the poor running.
You have nothing to lose by trying to clean the carbs, but unless you're somewhat experienced, they're better left to Sump Plug and the ultra sonic cleaner... it really does the best possible job of cleaning them. That being said, if you do have enough experience to remove them and open them up, using carb cleaner, compressed air and a fine wire or guitar string for the pilot jets, you should be able to get her running at least enough to see if it's worth fixing or better off selling. With 6000 miles, i'd wager a set of carb rebuild kits it's worth saving.
'90 EX-5R w/ 2nd gen forks, Fox shock, aftermarket Ninja 250 wheels, 04 GSXR tail, undertail exhaust w/ Harley mufflers.