Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 293Get this manual
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Power Trim Pump Assembly Components 13
17O-ring 11 32" .0 (O.S6em .0
19 -5crew 20 Filler
2 1-0-riog 3- 11 16" 0.0(9.34cm 22 Oil Reservoir 23-rin 14" .0 (O.64cm O.D