2.1L 75-115hp FourStroke 300 Hour Maintenance Kit

Mercury Marine 2.1L 75-115hp FourStroke 300 Hour Maintenance Kit

The Mercury Precision Parts 8M0097855 300-Hour Maintenance Kit is designed to make scheduled 300-hour service on compatible Mercury 2.1L 75-115hp EFI FourStroke outboards straightforward and complete. Everything needed for the milestone service interval is packaged together in one convenient box, eliminating the need to source common service items separately. This kit is a genuine Mercury Marine OEM product manufactured to the same stringent specifications as original equipment, ensuring maximum performance and long-term reliability for Mercury and Mariner outboards.

Applicable to Mercury 2.1L 75-115hp EFI FourStroke outboards with serial number 2B095049 and higher, the kit covers a wide range of horsepower configurations including 65 HP EFI Jet, 75 HP EFI, 75 HP EFI SeaPro, 80 HP EFI, 80 HP EFI Jet, 90 HP EFI, 90 HP EFI SeaPro, 100 HP EFI, 115 HP EFI, and 115 HP EFI SeaPro variants. Following the 300-hour service schedule recommended in the owner's manual is essential for keeping the engine running at peak performance while protecting the investment over the long term.

The kit addresses all major service categories at the 300-hour interval: engine filtration, fuel system maintenance, cooling system refresh, ignition, and corrosion protection. The included water pump impeller kit and thermostat help maintain stable operating temperatures, while dual fuel filters protect sensitive EFI components. The anode kit helps defend against galvanic corrosion in harsh saltwater or freshwater environments.

Key Features

• Genuine Mercury Precision Parts OEM kit — not aftermarket
• Designed for Mercury 2.1L 75-115hp EFI FourStroke outboards, serial number 2B095049 and higher
• All 300-hour service items packaged in one convenient box
• Built to Mercury Marine's stringent original equipment manufacturer specifications
• Helps maintain engine performance, cooling reliability, and corrosion protection
• Kit includes: oil filter, fuel filters, gearcase drain seals, 4 spark plugs, thermostat kit, water pump impeller kit, power trim anode, and lower unit anode
• Shipping weight approximately 4.62 lbs; package dimensions 12.25 x 7.25 x 7.25 inches