MerCruiser Black Scorpion, User Manual

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Section 4 - Specifications
Page 44 90-865253070 JUNE 2007
Engine Specifications: Scorpion
Tow Sports Models
Models Black Scorpion MX 6.2 Black Scorpion
Horsepower 330 340
Kilowatts 246 254
Displacement 5.7 L (350cid) 6.2 L (377cid)
Specified WOT RPM Range 4800–5200
Idle RPM in Neutral 650
Minimum Oil Pressure @ Idle 41 kPa (6 psi)
Thermostat 71° C (160° F)
Timing @ Idle Not adjustable
Firing Order 1‑8‑4‑3‑6‑5‑7‑2
Electrical System 12‑Volt negative (–) ground
Alternator Rating 65 amp
Recommended Battery Rating (Minimum) 750 CCA, 950 MCA, or 180 Ah
Spark Plug Type AC Platinum (AC 41‑993)
Spark Plug Gap 1.5 mm (0.060 in.)
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.
The idle speed on EFI models is not adjustable.
Fluid Specifications
Engine
IMPORTANT: All capacities are approximate fluid measures.
IMPORTANT: It may be necessary to adjust oil levels depending on installation angle and
cooling systems (heat exchanger and fluid lines).
All Models Capacity Fluid Type
Engine Oil (With Filter)
1.
4.25 liters (4.5 U.S qts) Quicksilver Synthetic Blend, NMMA FC‑W rated, 4
cycle oil
Seawater Cooling System
2.
20 liters (21 U.S. qts) Propylene Glycol and Purified Water
1. Always use the dipstick to determine the exact quantity of oil or fluid required.
2. Seawater Cooling System capacity information is for winterization use only.