Rethink the V-8.

A 6.2-liter V-8 engine with unparalleled torque and acceleration to get you on plane quickly and smoothly.

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Advanced MPI

The multi-point electronic fuel injection system fine-tunes the air-to-fuel ratio for the ideal combination of power and efficiency. 

Performance
Ample charging output

A powerful alternator delivers 70 amps of charging power at wide-open throttle – perfect for keeping onboard electronics running long into the fun. 

Performance
Adaptive Speed Control

The Adaptive Speed Control feature lets you maintain engine rpm despite changes in load or conditions. Climbing large swells is easier. Cruising at low speeds is smoother. Carving out tight turns is effortless. 

Performance
Engine guardian

Explore farther with confidence knowing that the engine guardian system is at work. It monitors the engine and, if necessary, can adjust engine functions to help get you home safely. 

Performance
SeaCore

Take on the toughest marine conditions with the available SeaCore® system. It is an entire package of durable, corrosion-fighting technology that offers an extraordinary level of protection, including hard-coat anodisation on the drive, stainless-steel fasteners and components, and a closed cooling system. 

Engine

Engine Specifications by Horsepower

Select Engine :
Name Mercury MerCruiser 6.2L 370hp Jet Power inboard
Alternator Fully regulated belt-driven 70 amp (882 watt)
Displacement (L) 6.2L
Engine type V8, 2-valve/cylinder pushrod
HP / kW 370 / 276
Recommended fuel 90 RON 10% Ethanol Maximum
Maximum RPM (WOT) 4000-5400 (Jet pump applications will limit max RPM based on jet pump and impeller capabilities)
Oil maintenance interval -
Oil sump volume 5 qts
Peak Torque -
Recommended Oil NMMA Certified FCW 25W-40 Synthetic Blend
Weight (engine only) Ibs / kg -
Weight (incl. transmission) -
Name Mercury MerCruiser 6.2L 300
Alternator 70 amp/ 882 Watt (Belt Driven)
Displacement (L) -
Engine type V8m 2-valve/cylinder pushrod
HP / kW 300 / 224
Recommended fuel Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Maximum RPM (WOT) 5000 - 5400
Oil maintenance interval -
Oil sump volume -
Peak Torque -
Recommended Oil NMMA Certified FCW 25W-40 Synthetic Blend
Weight (engine only) Ibs / kg 401 / 885
Weight (incl. transmission) -
Name Mercury MerCruiser 6.2L 350
Alternator 70 amp/ 882 Watt (Belt Driven)
Displacement (L) 6.2
Engine type V8, 2-valve/cylinder pushrod
HP / kW 350 / 261
Recommended fuel Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Maximum RPM (WOT) 5000 - 5400
Oil maintenance interval -
Oil sump volume -
Peak Torque -
Recommended Oil NMMA Certified FCW 25W-40 Synthetic Blend
Weight (engine only) Ibs / kg -
Weight (incl. transmission) -

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A limited-time Stacer and Mercury promotion runs from 6 October to 14 November 2026, offering savings of up to $1150 on eligible 3.49m–4.5m boats and 5HP to 30HP outboards, with larger boats and engines receiving greater discounts. The offer applies to selected current stock and new orders through Mac's Marine.