Mercury Mariner Models 135 150 175 200 Service Manual, Page 130Get this manual
Quality of the image is intentionally reduced!
CHARGINGSTARTING SYSTEM
METRIC SCALE76.2mm 3"50.8mm 2"44.5mm 1-34" 1-1116"42.9mm19.1mm 34"12.7mm 12"
7 Lubricate bushing (located in commutator end cap) with one drop of SAE 10W oil