Yamaha - Carburetor Repair Kit Fuel System Service Kit 6E5-W0093-09-00. Overview. If you've been running a carbureted Yamaha for a while, you already know how fuel buildup and worn internals can start affecting performance. I've seen engines go from rough idle and hesitation to running clean again just from a proper carb rebuild. The Yamaha Carburetor Repair Kit 6E5-W0093-09-00 is what you reach for when it's time to bring things back to spec. It's a solid way to get your motor running smooth wi