Mercury 525 Efi. Mercury racing 525 efi fuel injection Multiport fuel injection system incorporates a high-flow throttle body and flame arrestor developed exclusively by Mercury Racing. Revised November 2002 - This Bulletin supersedes Sterndrive Bulletin No
mercury 525 efi engines from www.offshoreonly.com
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. Designed to bridge the price gap between the 430-hp MerCruiser 8.2L Mag HO engine and the 525-hp Mercury Racing 525 EFI engine, Mercury Racing's new 520 engine makes 520 hp at the crankshaft and comes with Digital Throttle and Shift
mercury 525 efi engines
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 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 Mercury Racing 540 Replacing 525 EFI The 540 is a development of the 520 engine, with headers added to boost exhaust efficiency and horsepower.
OEM Mercury Racing 525 EFI Mirrored stainless steel Engine Plates. Custom electronic gauge interface module, designed by Mercury Racing, allows for operation of either analog or digital instrumentation The Mercury Racing 525 EFI is one of the most popular OEM engine packages for adding forced induction
Mercury racing 525 efi fuel injection. Designed to bridge the price gap between the 430-hp MerCruiser 8.2L Mag HO engine and the 525-hp Mercury Racing 525 EFI engine, Mercury Racing's new 520 engine makes 520 hp at the crankshaft and comes with Digital Throttle and Shift 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