Engine Specifications; Fluid Specifications; Engine; Transmission - MerCruiser Scorpion 350 User Manual

Section 4 - Specifications

Engine Specifications

Model
Power
Displacement
Specified WOT RPM range
Idle RPM in neutral
Minimum oil pressure at idle
Thermostat
Timing at idle
Firing order
Electrical system
Alternator rating
Minimum battery rating
Spark plug type
Spark plug gap
The horsepower and kilowatt performance data were obtained and corrected in accordance
with SAE J1228/ISO 8665 Crankshaft Power.
All measurements were obtained using an accurate service tachometer with the engine at
normal operating temperatures.
The oil pressure must be checked with the engine at normal operating temperature.

Fluid Specifications

Engine

IMPORTANT: Always use the dipstick to determine the exact quantity of oil or fluid required.
IMPORTANT: It may be necessary to adjust oil levels depending on installation angle and
cooling systems (heat exchanger and fluid lines).
NOTE: All capacities are approximate fluid measures. Seawater cooling system capacity
information is for winterization use only.
All Models
Engine oil (with filter)
Seawater cooling system (for winterization
only)

Transmission

NOTE: Refer to manufacturers owners manual for information concerning remote V‑drive
fluid capacities.
Walters V‑drive Applications have 2 fluid service points, the transmission and the gear box.
Model
ZF 45 CE
RV‑26 V‑drive (gear box only)
Page 46
Capacity
4.25 L (4.5 US qt)
20 L (21 US qt)
Capacity
2.36 L
Dexron lll Automatic Transmission Fluid
(2.50 US qt)
0.50 L SAE Heavy Duty Motor Exxon Apartan, EP‑68 Gear Oil,
(0.75 US qt)
Scorpion 350
246 kW (330 hp)
5.7 L (350 cid)
4800–5200
650 (not adjustable)
41 kPa (6 psi)
71° C (160° F)
Not adjustable
1‑8‑4‑3‑6‑5‑7‑2
12 V negative (–) ground
65 A
800 CCA, 1000 MCA, or 180 Ah
AC Platinum (AC 41‑993)
1.5 mm (0.060 in.)
Fluid Type
Mercury Full‑Synthetic MerCruiser Engine
Oil 20W‑40
Propylene Glycol and purified water
Fluid Type
APG‑80 Gear Oil
90-899883175 DECEMBER 2007