The 75-115HP (2.1L) EFI FourStroke SERV KIT-100 HRS is a genuine OEM service kit engineered specifically for Mercury 2.1L EFI FourStroke outboards in the 75HP to 115HP range. Designed to meet the 100-hour service interval, this kit includes all the critical parts needed to maintain peak performance, fuel efficiency, and engine reliability out on the water.
Routine maintenance is essential to ensure your outboard remains in optimal condition, and this kit simplifies the process by combining all required components into one convenient package. The kit includes a fuel filter, oil filter, drain plug gasket, spark plugs, and a water pump impeller with associated gaskets and seals—all built to Mercury’s strict standards for quality and fitment.
The impeller, one of the most vital elements in your outboard’s cooling system, is responsible for ensuring steady water flow to prevent overheating. Replacing it at the recommended interval helps avoid engine stress and costly repair down the line. The included oil and fuel filters help trap debris and contaminants, promoting cleaner operation and extending the life of your engine’s internal parts.
High-performance spark plugs are also included to support smooth ignition and reliable combustion, which is key for strong starts and consistent running. All seals and gaskets in the kit are designed to resist the wear and corrosion typical in marine environments, ensuring leak-free operation and long-term dependability.
Ideal for both DIY boat owners and professional marine technicians, the 75-115HP (2.1L) EFI FourStroke SERV KIT-100 HRS is a must-have solution for maintaining your outboard with confidence. It eliminates the need to track down individual parts, saves time, and ensures you’re using components that meet the original factory specifications.
Regular 100-hour service not only keeps your engine running smoothly, but also protects your warranty and preserves fuel efficiency. Whether you fish offshore, cruise inland waterways, or use your boat recreationally, maintaining your outboard with the correct parts is critical to its long-term health.
With the 75-115HP (2.1L) EFI FourStroke SERV KIT-100 HRS, you’re equipping your engine with the tools it needs to deliver consistent, dependable performance every time you’re on the water.