Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 61Get this manual

Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 61

Quality of the image is intentionally reduced!

9 With engine in neutralmove throttle lever to place maximum spark advance screw against stopCrank engine with starter motor and adjust maximum spark advance screw to align 22 mark on fl ywheel with l