Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 140Get this manual
Quality of the image is intentionally reduced!
CYLINDER BLOCK AND CRANKCASE
aCylinder HeadPush Rods (2)Cyli nder Head CoverThermostatIntake Manifold
Page 48- 18
90857138 JANUARY 1999