The ultimate Yamaha EFI kit - protecting every system: fuel, engine, fittings, and electrics.. The Fuel Stabilizer (32 oz) prevents ethanol separation and gum build-up. The EFI Fogging Oil (32 oz) ensures EFI passages, injectors, and cylinders are corrosion-free. The 14 oz Multi-Purpose Marine Grease cartridge works with grease guns to lubricate pivots and shafts with ease. Finally, Permatex Dielectric Grease (.33 oz) safeguards electrical connectors and spark plug boots from corrosion.. The most comprehensive Yamaha OEM kit for EFI-equipped outboards.. Quick Highlights:. Complete 4-piece Yamaha premium kit for EFI outboards. Fuel Stabilizer (32 oz) treats up to 320 gallons. EFI Fogging Oil (32 oz) protects EFI systems & cylinders. 14 oz grease cartridge makes servicing easy. Dielectric Grease shields electrical connectors. FAQs. Q: Why choose this premium kit over others?. A: It covers every system - fuel, EFI internals, mechanical fittings, and electrics - in one package.. Q: Can die