1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 248Get this manual
1561 36Pressure and vacuum test the gearcase as follows: INote Pressure and vacuum test gearcase before filling Remove the oil level plug and install pressure test gauge Hold down firmly on the driveshaft and pump pressure up to 3-6 PSI (21-41 kPa)If pressure gauge indicates leakage, submerge the gearcase in water to determine source of leakage as evidenced by bubblesIf the gearcase pressure does not indicate leakage, increase pressu re to 16-18 PSI (110-124 kPa)If pressu re does not hold, submerge the gearcase in water and check for source of leakageMake necessary repairs and repeat the test Install vacuum testerPump out 3-5 inches (76-127 mm) Hg and see if vacuum holdsThen pump out 15 inches (381 mm) Hg and checkIf the gearcase fails to hold on either test, put lubrication around suspected sealIf the leak stops or lubricant is drawn in, that seal is defectiveWhen the gearcase checks out properly, fill the gearcase with CMC Ultra-HPF gearcase lubricant37Fill the gearcase with 9-11 floz(264-330 ml) lubricant as follows: Secure the gearcase in an upright position Remove the oil level and oil filldrain plugsReplace the seals if damaged Fill the gearcase with CMC Ultra-HPF gearcase lube until lubricant appears at the oil level holeInsert the oil level plug firstInstall the filldrain plugTighten the oil level and filldrain plugs to torque of 84-86 inIbs(9-10 Nm) Inspect the gearcase oil level after the motor test has been performed38Install water pump assembly as described in Water Pump Servicing, this sectionInstallation "