1999 "EE" Evinrude 5 thru 15 4-Stroke Service Manual, P/N 787022, Page 260Get this manual
Installationthru 15[1Apply Permatex No2 to both ends of the driveshaft extension tube Install the tube into the recess inside the exhaust housing rn
2Apply coat of OMC Adhesive to the tapered end of the water tube grommet and insert it into the water passage of the exhaust housing
3Coat the outside ends of the water tube extension with OMC Triple -Guard greaseInstall the water tube extension into the water tube grommet in the exhaust housingL-L_ _