Question about 1988 Suzuki GSX 600 F (Katana)

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#2 cylinder not burning on '88 Katana

My 1988 Katana sat in my garage for 5 years. I'm trying to get it running well enough to sell it. New battery, new plugs, new petcock diaphram. I have it running but the #2 cylinder does not seem to be burning completely. The exhust does not get as hot as the other 3 and fuel leaks from where the exhust pipe attaches to the cylinder. I swapped the plug wires around to eliminate the wires and the sellonoids as the culprits and the problem still was on #2 cylinder. I'm not sure what else to look at. I'm not very experienced in major repairs and I'm trying to do this myself as I'm going to sell the bike. I'm thinking something in the carborator is making it run too rich or electrical that I need to do.
Any helpful ideas would be greatly appriciated.
Thanks, Scott

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Looks like your carbs need to come apart and be cleaned.
also replace the hoses so you wont have any vacuume or fuel leaks.

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