626-14390-90 Yamaha NEEDLE VALVE

OEM Yamaha needle valve seat assembly for Yamaha 9.9 HP and 15 HP 2-stroke outboard motors. This critical carburetor component regulates fuel flow into the combustion chamber. The needle and seat assembly controls fuel atomization and engine fuel delivery. Compatible with Yamaha 9.9D and 15D outboard engine models. Available from marine parts retailers including eBay, Amazon, and specialty suppliers. Essential carburetor rebuild component for reliable fuel system operation.