Mercury Mercruiser engines

Gas Sterndrive HP500 EFI 470 hp

For intermediate-size sport boats, offshore boats and poker runners there’s the sophisticated 502 CID HP500 EFI. It’s the power of choice for the American Power Boat Association’s (APBA) Factory and Super Cat Light offshore racing classes. Boating Benefits Multiport fuel injection system which incorporates a high-flow throttle body and tuned intake manifold developed exclusively by Mercury Racing® . The MEFI 3 Electronic Control Module, which provides precise fuel and spark control and unmatched top-end throttle response. Heavy-duty GM® performance parts including forged crankshaft, connecting rods and pistons. A thermostatically controlled, high-capacity oil cooler to bring engine oil temperatures up quickly and keep them more consistent. Oil thermostat and a Positive Crankcase Ventilation (PCV) valve that work together to reduce the buildup of condensation in the oil. The PCV valve also improves engine idle. A hydraulic roller camshaft that improves idle quality and offers more low-end torque. Bravo One XZ drive. Exclusive Mercury MerCruiser® service dealer network.

HP500 EFI 470 hp Specifications

Propshaft Horsepower:		470 (350 kW)
Full Throttle RPM Range:		4800-5200
Displacement (Litre/CID):		8.2/502
Bore (in/mm):		4.47/114
Stroke (in/mm):		4.00/102
Compression Ratio:		8:75:1
Cylinders:		V-8
Alternator (amps/watts):		60/847
Ignition Type:		Digital
Fuel System:		MPI
Fuel Requirements:		87 Posted Octane (R+M)/2 (92 RON)
Drive Unit:		STD: Bravo One XZ; OPT: Bravo One XR Dry-Sump Six w/ Huber 600
Length (in/mm):		39/991
Width (in/mm):		34/857
Height (in/mm):		22/560
Weight (lbs/kg):		1113/505
Transmission Ratios		Bravo One XZ (standard) - 1.36/1.5:1 Bravo One XR (optional) - 1.26/1.35/1.5:1 Dry-Sump Six (optional) - 1.24/1.35/1.5/1.61:1

Standard Features Thermostatically controlled, high-capacity oil cooler Positive crankcase ventilation valve Digital ignition system Advanced Electronic Control Module Serpentine belt system Multiport fuel injection Filter integrated flame arrestor Water-cooled fuel system Knock-control sensor One-year limited warranty for recreational boat use Three-year limited corrosion protection warranty MerCathode® Power steering Remote oil filter Multipoint hand-removable drain plugs Water/fuel separator Seawater pump material - composite Audio warning system Optional Features Engine flush port kit Jackshaft (Drive-line and plug-in models available) Drive available on Dry-Sump Six Bravo One XR Bravo One XZ

Visit our other Mercury Marine Equipment

Gas Sterndrives

850 hp - HP900 SC   /   550 hp - HP 575 SCi   /   470 hp - HP500 Bulldog
470 hp - HP500 EFI   /   425 hp - 496 MAG HO   /   375 hp - 496 MAG
350 hp - Scorpion 377   /   320 hp - MX 6.2 MPI Horizon   /   320 hp - MX 6.2 MPI
300 hp - 350 MAG MPI Horizon   /   300 hp - 350 MAG MPI

Drive Options

Dry-Sump Six   /   Bravo One XR   /   Bravo One XZ
Bravo One   /   Bravo Two   /   Bravo Three   /   Alpha

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