Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 118Get this manual

Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 118

6Install electrothermal valve 55829Screw
bFloat Pin

4Install plunger and spring
bElectrothermal Valve

7Install bolts, air intake, isolater, and diffuser1