Yamaha - Carburetor Repair Kit Fuel System Service Kit 6K7-W0093-08-00. Overview. If you've worked on Yamaha carbureted outboards, you know it doesn't take much for a carb to start acting up. A little buildup or worn seals can throw off the whole fuel system and leave the engine running rough. The Yamaha Carburetor Repair Kit 6K7-W0093-08-00 is what brings things back in line when it's time for a proper rebuild. It's the kind of maintenance that makes a noticeable difference the first time you f