Yamaha - Carburetor Repair Kit Fuel System Service Kit 6H1-W0093-01-00. Overview. If you've been running a Yamaha carbureted outboard for a while, you know how quickly things can change when the carb starts getting dirty or worn. I've seen engines go from smooth to frustrating just from a few clogged passages or tired seals. The Yamaha Carburetor Repair Kit 6H1-W0093-01-00 is what you use to bring it all back into shape without replacing the whole unit. Once it's rebuilt properly, the engine usu