MerCruiser
MX 6.2 MPI Horizon (320-hp)

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MX 6.2 MPI Horizon (320-hp)
The MX 6.2 MPI features new multiport fuel injection (MPI) system on the Bosch componentry for unmatched performance and increased throttle response. Horizon engines are designed and built to be virtually maintenance-free, except for periodic fluid-level checks and seasonal oil and filter changes.

Fast Facts
Propshaft HP	320-hp
Configuration	V8
Displacement	6.2 L / 377 CID
Bore & Stroke	4.00
Fuel System	Multi-Point Electronic Fuel Injection
Base Engine Weight	948 lbs.
Length/Width/Height	43 x 30 x 22
Max RPM@WOT	4600-5000
Warranty	3-year

Key Features

MerCruiser water-cooled and insulated fuel system, which eliminates the need for a return line to the fuel tank, helps keep fuel temperatures down and
The new multiport fuel injection (MPI) system features Bosch componentry for unmatched performance and increased throttle response.
Horizon engines feature 3 years of factory-backed product protection (standard 1-year warranty plus 2 years of extended Mercury Product Protection thr
Long-stroke 377CID/6.2L engine customized by MerCruiser® for high torque and more horsepower.
Long-stroke 377CID/6.2L engine customized by MerCruiser® for high torque and more horsepower.
Long-stroke 377CID/6.2L engine customized by MerCruiser® for high torque and more horsepower.
The new MX 6.2 MPI cooling system heats the exhaust manifolds, thereby reducing the buildup of condensation and decreasing the threat of water ingesti
Engine Guardian™ proactively monitors and protects your engine from the damaging effects of low oil pressure, high engine temperature, engine over-spe
Engine Guardian™ proactively monitors and protects your engine from the damaging effects of low oil pressure, high engine temperature, engine over-spe

Boats Tested with this Engine
Yamaha 1200 XL
Edgewater 135 ST
Sugar Sand HEAT
Edgewater 155 CC
Sea Ray F16 Jetboat
Sugar Sand Mirage
Sugar Sand Tango
Sugar Sand Tango 4+2
Formula 31 PC (2005 - )

MerCruiser MX 6.2 MPI Horizon (320-hp)
Propshaft HP	320-hp
Max RPM@WOT	4600-5000
Dry Weight	948 lbs.
Length/Width/Height(in)	43 x 30 x 22
Displacement (liters/cu.in)	6.2 L / 377 CID
Cylinders/Configuration	V8
Bore & Stroke	4.00
Alternator Output Rating	65 amp
Fuel Type	Gasoline
Fuel System	Multi-Point Electronic Fuel Injection
Exhaust System	Closed Cooled Iron Manifold w/ Ceramic Coated Dry
Ignition System	Crank-fired High Voltage Switch w/ Knock Control
Cooling System	Closed Cooling, Brass Sea Water Pump


MerCruiser MX 6.2 MPI Horizon (320-hp) Multiport Injection (MPI) inboard models are now available with optional Digital Throttle and Shift (DTS). DTS eliminates all helm maintenance and provides silky-smooth shifts for the life of the prod

Have you used this engine? Give us your feedback/comments.

D. Moore	8/12/2008 7:52:23 PM
have luhrs 31 that was new 04 had both engine blow ithink 6.2 engine a not made for that boat for one they had oil lines mounted on the manfoil that was breaking down the oil and then the engine start tapping those 6.2 suck

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Key Features

MerCruiser MX 6.2 MPI Horizon (320-hp)