Mercury 4.3 TKS series User Manual

Section 3 - Specifications
Page 28 90-8M0113857 eng DECEMBER 2015
Spark plug type
AC Platinum (AC 41‑993)
AC Platinum (AC 41‑101)
Spark plug gap
1.5 mm (0.060 in.)
Emission control system
Engine modification (EM)
Fluid Specifications
Engine
IMPORTANT: Your application may require more or less than the listed capacity. Use the dipstick to determine the exact
quantity of oil or fluid required. Listed capacities are approximate.
4.3 TKS Models Capacity Fluid Type
Engine oil (with filter) 3.8 L (4 US qt)
Mercury/Quicksilver 25W‑40 Synthetic Blend Engine Oil, NMMA FC‑W Catalyst
Compatible rated
Seawater cooling system 14.1 L (15 US qt) Propylene glycol and purified water
Closed cooling system 19 L (20 US qt)
Mercury Extended Life Coolant/Antifreeze or Extended Life Ethylene Glycol
5/100 Coolant/Antifreeze mixed 50/50 with purified water
Sterndrives
NOTE: Oil capacity includes gear lube monitor.
Model
Capacity Fluid Type
Alpha One 1892 mL (64 oz)
High Performance Gear Lubricant
Bravo One 2736 mL (92‑1/2 oz)
Bravo Two 3209 mL (108‑1/2 oz)
Bravo Three (single seawater pickup) 2972 mL (100‑1/2 oz)
Bravo Three (dual seawater pickup) 2736 mL (92‑1/2 oz)

Mercury 4.3 TKS series Specifications

General

Brand	Mercury
Model	4.3 TKS series
Category	Engine
Language	English