Mercury Racing 525 EFI Performance Inboard Marine Engine for Sterndrive

Mercury 525 Efi. 2010 Mercury Racing 525 EFI Long Block Inboard Motor Store www The Mercury Racing 525 EFI is one of the most popular OEM engine packages for adding forced induction Custom electronic gauge interface module, designed by Mercury Racing, allows for operation of either analog or digital instrumentation

General Boating Discussion - 525 efi life expectancy - Was looking for info from some seasoned boaters who can give me the general hrs you can expect form Mercury's 525 efi before an overhaul Mercury Racing 540 Replacing 525 EFI The 540 is a development of the 520 engine, with headers added to boost exhaust efficiency and horsepower.

2005 Shockwave 25 Tremor Closed Bow *Mercury Racing 525 EFI* One of the

A Conquest TopCat II recently came in looking for more power, and we are going to serve it up with a Stage 2 Whipple 3.3L kit HP: 525 (410kW) Full Throttle RPM: 4800—5200 Displacement Liter/CID: 8.2/502 Bore & Stroke (in/mm): 4.47 x 4.00 / 113 x 102 Compression Ratio: 8.75:1 Cylinders: V8 Alternator Amp/Watt: 65 / 917 Ignition System: PCM 03 Distributorless Fuel System: MPI Fuel Requirements: 87 Posted Octane (R+M)/2 (92 RON) International Transmission: (Six) w. 500 efi has the same bottom enf as the 502,the 500 efi i believe has a crane 731 cam, the 525 efi has a differant upper intake plenum that flows more cfm,the bottom end has k5 h beam connecting rods with a crame 741 cam..the blue engines are soppose to be blueprinted engines compared to the black engines.

Mercury Racing 525 EFI Intake for Sale in Hesperia, CA OfferUp. A Conquest TopCat II recently came in looking for more power, and we are going to serve it up with a Stage 2 Whipple 3.3L kit As almost all of these engines are now out of warranty, we are seeing a lot of interests in refresh projects and supercharger installs

Mercury Racing 525 Efi Boat For Sale Waa2. Swap Shop - Mercury Racing 525 EFI With Less Than 10 Hours For Sale - This is a 525 EFI that has a total of 146 hours on it that was rebuilt at Doller Offshore Marine when it had 137 hours on it Wherever the Diamond symbol appears, indicates where information was added or changed.