Enhanced Durability

860 SCI

 

Enhanced Durability

Designed, developed and manufactured in-house, the naturally aspirated, 9.0 liter 860 sterndrive engine features Mercury Racing’s exclusive aluminum four-valve cylinder heads and dual overhead camshaft valve train. This proven valve train, which greatly enhances engine performance and durability over a standard two-valve design, enables the engine to produce 860 horsepower at 6800 rpm on 89 octane (Rec 90) pump fuel. The engine’s 6300-6800 rpm operating range offers unsurpassed acceleration for its power rating. The higher rev limits expand the range of propeller options available for a variety of applications.

Robust And Powerful

The 860 features Mercury Racing’s exclusive aluminum four-valve cylinder heads and dual overhead camshaft valve train.

Side-facing ram horn intakes direct induction noise rearward for enhanced power and to reduce cockpit noise for a more pleasant boating experience.

High-Thrust Gearcase

A PERFECT FIT Drops right on a 15-inch transom – no jack plate or awkward flared transom required.

Specifications Of Dual Cal 860

860
RATED HP AT TRANSOM
6300-6800
FULL THROTTLE RPM
9.0 L
CYLINDERS
4.6 L
DISPLACEMENT
Name Description
BORE & STROKE 4.57 x 4.21 IN/116 x 107 MM
CYLINDERS / ENGINE CONFIGURATION V8
ALTERNATOR 95 AMP
FUEL REQUIREMENT 87 Octane Minimum (R + M)/2, (95 RON) Global Calibration
FUEL SYSTEM Sequential Fuel Injection
GEAR RATIO Application Dependent
WARRANTY 2-Year Limited For Recreational Boating
CONTROLLER PCM09
TRANSMISSION Mercury Racinq Hydraulic
DRIVE UNIT M6
LENGTH - FROM BACK OF BLOCK 31 IN
WIDTH 38.3 IN
HEIGHT 26 IN
WEIGHT 1420 LBS
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