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

Section 4 - Specifications

Engine Specifications

Models
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
Recommended battery rating (minimum)
Spark plug type
Spark plug gap

Fluid Specifications

Engine

IMPORTANT: All capacities are approximate fluid measures.
All Models
Engine oil (with filter)
Seawater cooling system (winterization
only)

Transmission

Model
71C In‑Line
45C In‑Line
RV‑36 V‑drive (gear box only)
NOTE: Refer to manufacturers owners manual for information concerning remote V‑drive
fluid capacities.
NOTE: Walters V‑drive applications have two fluid service points: the transmission and the
gear box.
Page 38
Capacity
4.25 L (4.5 US qt)
20 L (21 US qt)
Capacity
1.66 L
Dexron lll Automatic Transmission Fluid
(1.75 US qt)
1.94 L (66 oz) Dexron lll Automatic Transmission Fluid
0.5 L SAE 30 Heavy Duty Motor Exxon Spartan, EP‑68 Gear Oil,
(0.75 US qt) APG‑80 Gear Oil
Scorpion 350 Scorpion 377
246 kW (330 hp) 254 kW (340 hp)
5.7 L (350 cid) 6.2 L (377 cid)
4800–5200
650
41 kPa (6 psi)
71° C (160° F)
Not adjustable
1‑8‑4‑3‑6‑5‑7‑2
12 V negative (–) ground
65 A
750 CCA, 950 MCA, or 180 Ah
AC Platinum (AC 41‑993)
1.5 mm (0.060 in.)
Fluid Type
Mercury MerCruiser Full‑Synthetic Engine
Oil, 20W‑40
Propylene Glycol and purified water
Fluid Type
90-865253071 NOVEMBER 2007