1997 Johnson/Evinrude EU 25, 35 HP 3-Cylinder outboards Service Manual, Page 17Get this manual
Gearcase Lubrication
To avoid accidental starting of engine while servicing, twist and remove all spark plug leads
m Remove in normal operating oil level plug from gearcaseoil drainfill plug and position, allow oil to drain With motor
completely
Important
Do not remove the shift cradle screw
To refill, place tube or pressure can nozzle of OVIC Ultra-HPF gearcase lubricant in drainfill hole
INote If OVIC Ultra-HPF gearcase lubricant is not available, ONIC