Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 314Get this manual

Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 314

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4 Install test adaptor 91-822778A3 into manual release valve holeReinstall fill plug 7 Disengage tilt lock lever8 Open valve (f) and close valve (g)
5 Thread hose from Test Gauge Kit (91-52915A3