Yamaha - Carburetor Assembly 1 Fuel Air Mixing Component 60S-14301-11-00. Overview. When a Yamaha starts running rough and adjustments are not fixing it, sometimes it's just time to replace the whole carb instead of chasing small issues. I've seen engines come back to life instantly with a fresh carburetor assembly-clean idle, smooth throttle, no guessing. The Yamaha Carburetor Assembly 1 60S-14301-11-00 is built for that kind of reset, giving you a complete, ready-to-run solution. It saves time