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Using RTV or other sealants is generally not recommended unless explicitly specified in your engine’s official service manual
Quickly remove the lube filler tube and install the lower drain plug
This seal is designed exclusively for Mercury Mariner 8hp
impellers should be inspected annually and replaced every 1-2 years or after 100-200 hours of use
Lubricate the inside of the pump housing and the new impeller with a water-based lubricant or glycerin
Thermostat – Fits Yamaha 2-Stroke 9.9-55 HP (Replaces 6F5-12411-01/6F5-12411-02/6F5-12411-03) 20-140HP Using RTV or other sealantsProduct Details This is a high quality aftermarket Yamaha Outboard Thermostat 143F 62C, designed for a wide range of Yamaha 2 stroke outboard engines from 9. 9 HP to 55 HP, manufactured between 1986 and 1997. It ensures your engine's cooling system maintains the correct operating temperature for optimal performance and longevity. It serves as a direct replacement for Yamaha OEM part numbers 6F5 12411 01 00, 6F5 12411 02 00, and 6F5 12411 03 00, as
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