Designed specifically for the WB3A carburetor, this high - speed needle ensures smooth and efficient operation of your engine.

To use this Walbro WB3A high - speed needle, first make sure your engine is turned off. Remove the old needle from the WB3A carburetor carefully and replace it with this new one. When you're installing, be gentle to avoid any damage. As for maintenance, check the needle regularly for any signs of wear or clogging. If it gets dirty, clean it with a suitable cleaner. And remember, always follow the safety instructions when working on your engine.