1998 Johnson Evinrude "EC" 125C, 130, 200, 225, 250 90 deg LV Service Manual, P/N 520212, Page 225Get this manual
Water Blow-Off ValveV6 Removal
1Remove the tie strap retaining the Amphenol connector and bullet connector to the hose
2Remove hoses from housing nipplesPush hose off with flat blade screwdriver3Remove the screws retaining the valve coverRemove valve assembly
[] 4Pry the seat from the valve cover[] 5Inspect the valve cover, spring, seat, and valveReplace if damagedInstallation