Fluid Specifications; Sterndrives; Engine - MerCruiser 4.3 TKS User Manual

Spark plug type
Spark plug gap

Fluid Specifications

Sterndrives

NOTE: Oil capacity includes gear lube monitor.
Model
Alpha One
Bravo One
Bravo Two
Bravo Three (single seawater pickup)
Bravo Three (dual seawater pickup)

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
Engine oil (with filter)
Seawater cooling system
Closed cooling system
5.0 TKS and 5.7 TKS
Models
Engine oil (with filter)
Seawater cooling system
90-8M0053372 NOVEMBER 2010
eng
1892 mL (64 oz)
2736 mL (92‑1/2 oz)
3209 mL (108‑1/2 oz)
2972 mL (100‑1/2 oz)
2736 mL ( 92‑1/2 oz)
Capacity
Mercury MerCruiser Full‑Synthetic Engine Oil,
3.8 L (4 US qt)
20W‑40, NMMA FC‑W rated
14.1 L (15 US qt) Propylene glycol and purified water
Mercury Extended Life Coolant/Antifreeze or
19 L (20 US qt) Extended Life Ethylene Glycol 5/100 Coolant/
Antifreeze mixed 50/50 with purified water
Capacity
Mercury MerCruiser Full‑Synthetic Engine Oil,
4.25 L (4.5 US qt)
20W‑40, NMMA FC‑W rated
20 L (21 US qt) Propylene glycol and purified water
AC Platinum (AC 41‑993)
AC Platinum (AC 41‑101)
Capacity
High Performance Gear Lubricant
Fluid Type
Fluid Type
Section 4 - Specifications
1.5 mm (0.060 in.)
Fluid Type
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