it's best to inspect the air filter every 100-200 hours of operation and replace it at least annually or more frequently if operating in particularly dusty or salt-laden environments
J3REIA 3 2-Stroke 1991 0433935/0396852/0767407 Johnson/Evinrude E3RENM
Replacement intervals depend heavily on your engine's operating conditions
Insert the mounting bolt through the bracket and bow stop
Position the new gasket and carburetor
Water Pump Impeller Kit – Fits Mercury/Mariner 200-250 HP (Replaces 817275A5) 185-225HP it's best to inspect theProduct Details This is a complete Water Pump Impeller Kit Fits Mercury Mariner 200 250 HP (Replaces 817275A5), designed for various EFI, DFI, Carb, Pro XS, and 4 Stroke outboard engines. It provides a reliable solution for maintaining your engine's cooling system for optimal performance. It serves as a direct replacement for Mercury part numbers 817275A5, 817275Q05, 817275A6, 847275A5 and aftermarket parts from Sierra (18 3147), GLM (12098), and EMP