With the known ethanol problems you can't have too much protection. A Racor 10 micron water separator is just good insurance. I change the element every 100 hours along with the lower unit lube.
Along with water removal, it keeps trash from getting to the motor.
Edited by Bob Landry (04/02/18 08:22 AM)
2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
2018 Robalo R180 CC, Yamaha 115
Bitter Gun Owner