1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 57Get this manual
VRO Oil Supply SystemOptional Equipment
1Oil tanks:
1.8 Gallon (6.8 litre) Tank, PIN 176368, for any VROequipped outboard 3.0 Gallon (11,4 litre) Tank, PIN 176364, for extended range, or to supply oil to two outboards
2Dual outboard oil Pickup Kit, PI 176366, to supply oil to second outboard from one 3.0 gallon oil reservoirKit includes components to add second oil pickup3Oil level gauges and sending unit kits in several styles are available to monitor oil level in 1.8 or 3.0 gallon reservoir PI 174684 Tech Series PI 175482 Classic Series TM PIN 175048 AccuLine Series TM
4Remote Oil Fill Kit, PIN 176461, to fill reservoir through deck mounted fitting