99204-ZE0-0350 Pilot (#35) Jet Set - Overview. The 99204-ZE0-0350 Pilot (#35) Jet Set is a critical component of the fuel system in Honda marine engine systems. This genuine OEM part controls the fuel flow through the pilot (idle) circuit, ensuring smooth idling, clean pick-up off idle, and stable low-speed performance. Engineered to match factory specifications precisely, it guarantees seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. This