Mercury - Valve kit-relief - 813442A1 Yamaha 2-stroke & 4-stroke Storage Oil Change Kits A: When it’s significantly worn

A: When it’s significantly worn down or heavily corroded

protects against internal rust

or V8 MPI model

sealed electronics

It’s one of the most complete Verado repair kits available — built to make your cooling system as reliable as the day it left the factory

Mercury - Valve kit-relief - 813442A1 Yamaha 2-stroke & 4-stroke Storage Oil Change Kits A: When it’s significantly wornThis product has been superseded by: 893929A01 Valve kit reliefWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.