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Effective February • 2007

The next wave in boating, SmartCraft Integrated Marine Technology from Mercury links power, controls and internal and external sensors to provide precise data on all boat functions at a glance.

POWER SPECS Horsepower Full Throttle RPM Range Displacement Liter/C.I.D. Bore (in/mm) Stroke (in/mm) Compression Ratio Cylinders Alternator (amp/watt) Ignition Type Fuel System

Fuel Requirements Transmission Drive Unit Gear Ratio

525 (410 kW) 4800-5200 8.2/502 4.47/113 4.00/102 8.75:1 V-8 65/917 PCM 07 Distributorless MPI

Length (in/mm) Width (in/mm) Height (in/mm) Weight (lbs/kg) Warranty

87 Posted Octane (R+M/2),(92 RON) International (Six) w/Huber 600 Series Bravo One XR**,Bravo One XR Sport Master (Std.& Short)**,Bravo Three XR**,Dry Sump Six Drive* Bravo One XR & Bravo One XR Sport Master (Std.& Short) 1.26:1, 1.35:1,1.50:1; Bravo Three XR 1.65:1,1.81:1 or 2.00:1,and Dry Sump Six Drive* 39.5/1003 (Transom mount to front of engine) 34/864 24/610 1201/545 1-Year Limited for Recreational Boating; 3-Year Limited Corrosion

Application dependent.Contact Mercury Racing for additional information. ** ITS is optional for all Bravo One and Bravo Three drives.



The Mercury Racing HP525 EFI is world renowned for its performance on and off the race course. Twin 525 EFIs coupled to dry-sump Six drives were the power behind Dragon Powerboat's 2006 UIM P-1 Offshore Series European Championship. The engine package is also the power behind numerous National and World Championship class winners in both U.S. Offshore Super Series and Super Boat International offshore racing competition.

of choice. This race-proven consumer engine is a favorite among recreation sport boaters and poker runners as well. Enhancements for this year include the PCM 07 microprocessor, new universal engine mounts and a larger volume and higher flow power steering system. The new system provides OEM boat builders with the option to rig two power

Reliability, durability and overall performance are the reasons that offshore racers choose the 525 EFI as their power

Engine drive packages include Bravo One XR, Bravo One XR Sport Master, Bravo Three XR and dry-sump Six drive. The optional Integrated Transom System (ITS) enhances drive height flexibility while making the transom more aesthetically pleasing and simplifying installation.

HP525 EFI Sterndrive Key Features

“Highest in Customer Satisfaction with Sterndrive Engines, Two Years in a Row” MerCruiser received the highest numerical score for EFI sterndrive engines in the proprietary J.D. Power and Associates 2006-2007 U.S. Marine Engine Competitive Information Study. SM 2007 study based on 8,238 responses, measuring 2 EFI sterndrive engine brands and owner opinions of 2005 and 2006 model year boats registered June 2005-May 2006. Proprietary study results are based on experiences and perceptions of owners surveyed September-October 2006.Your experiences may vary.

steering pumps (dual engines) in series. Engine protection is enhanced thanks to increased oil flow through the filter and cooler.

Shown with Bravo One XR ITS drive

• CNC machined, 502 C.I.D. (8.2L) cylinder block is equipped with heavy-duty, connecting rods and forged aluminum pistons for maximum strength and durability. • The Mercury PCM 07 microprocessor optimizes fuel control for each cylinder independently, enhancing engine running quality and performance. • Advanced, factory installed closed-cooling system features five-year coolant for reduced maintenance and increased corrosion protection.

Remember: Life Vests Float. You Don’t.



#1 On The Water

The Race Never Stops! ®

Boat smart from the start! Take a boating education course, and get a vessel safety check for your boat. For more information, contact: United States • Power Squadrons 888-FOR-USPS • United States • Coast Guard Auxiliary 800-368-5647 •


Mercury Racing • N7480 County Rd. UU • Fond du Lac, WI 54935 • Ph. 920-921-5330 • FAX: 920-921-6533 Part #90-879147001 • ©2007, Mercury Marine, All Rights Reserved, Published 2/07

Printed in U.S.A.

Mercury 07 525 flyer racing