Boat owners and marine mechanics, if you're dealing with fuel line issues on your outboard engine, this Yosoo marine fuel line assembly is exactly what you need! The complete kit includes a 7-foot fuel line hose with a large primer bulb and connectors for both the tank and engine. The primer bulb is the real workhorse - it's made from alcohol-resistant rubber that handles today's ethanol-blended fuels without breaking down. The aluminum connectors are durable and corrosion-resistant, which is crucial for marine environments. Installation is pretty straightforward - just connect it between your fuel tank and outboard engine, making sure the arrow on the primer bulb points toward the engine. The one-way valve function ensures fuel only flows in the right direction, and the bulb makes priming the system after filter changes or winter storage so much easier. It's compatible with Yamaha and other outboard engines, and the 8mm inner diameter handles good fuel flow for most small to medium outboards. Whether you're replacing an old, cracked fuel line or building a new setup, this assembly gives you everything you need in one package. Seriously, having a reliable fuel line is crucial for trouble-free boating - this Yosoo kit provides quality components that will keep your engine running smoothly season after season!