Mercury - Manual-owners - 90-10237050 Marine Carburetors and Components Your engine cooling passages are

Your engine cooling passages are fractions of an inch even on larger HP models as well as the associated hardware such as thermostats and check valves are all susceptible to clogging and fouling

90179-28009-00 - NUT

creating the secure

webbing will automatically retract

Mercury - Manual-owners - 90-10237050 Marine Carburetors and Components Your engine cooling passages areThis product has been superseded by: 90 10237051 Manual ownersWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or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.