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Mercury 525 EFI Racing Sterndrive - Force Boats
https://www.forceboats.com/listing/mercury-525-efi-racing-sterndrive/
Mercury Racing 540 Replacing 525 EFI - boats.com
https://www.boats.com/reviews/mercury-racing-540-replacing-525-efi/
The 540 engine is replacing Mercury Racing’s venerable 525 EFI powerplant. Without question, the 525 EFI was one of the most successful models in the history of the Fond Du Lac, Wis., high-performance marine …
Mercury MerCruiser 525 EFI (500-hp) | BoatTEST
https://boattest.com/engine-review/Mercury-MerCruiser/123_525-EFI-(500-hp)
525 EFI (500-hp) Brief Summary This all-new sterndrive engine features custom Edelbrock aluminum cylinder heads, designed exclusively for Mercury Racing, …
MERCURY RACING 525 EFI ENGINE UPGRADES – BOOSTPOWER …
https://boostpower.com/shop/alexiz-engines-kits/efi-custom-marine-engines/mercury-racing-525-efi-engine-upgrades/
description. BOOSTPOWER USA MARINE OFFERS PARTS-SALES & SERVICE ON ALL HIGH PERFORMANCE MERCURY RACING ENGINE PACKAGES. CALL FOR MORE INFORMATION! 805-376-6077 M-F 9-5 PACIFIC TIME.
Mercury Racing Retires the 525EFI for an Updated 540EFI
https://www.powerboatnation.com/mercury-racing-retires-525efi-updated-540efi/
One of Mercury Racing’s most loved power packages, the 525EFI looks to have gone the way of the flip phone as Mercury Racing evolves forward with a new version to be recognized as the 540EFI. The new engine features their popular digital throttle and shift feature. While Mercury Racing did increase displacement from 502CID to 523CID aiding in the increased horsepower …
525 EFI octane (Blue Mercury Racing Motor) | River Daves …
https://www.riverdavesplace.com/forums/threads/525-efi-octane-blue-mercury-racing-motor.236441/
I'm fairly confident Mercury Racing knows what's best for the engines they build. Reactions: rush1, Rajobigguy, Havasu Catman and 2 others. May 20, 2021 #19 Ziggy ... Doesn’t the Merc 525 use basically an LS style efi system on a gen 6 bbc? May 21, 2021 #48 Bigbore500r Well-Known Member. Joined Apr 28, 2014 Messages 15,496 Reaction score 28,734.
Raylar Adding Upgrade Package for 525EFI - boats.com
https://www.boats.com/reviews/raylar-adding-upgrade-package-for-525efi/
The reason behind the popularity of Mercury Racing’s 525EFI engine is so simple: It’s reliable. Make that super-reliable. Only a fool would modify the 525-hp stalwart of the Mercury Racing engine line in any way while it is still under factory warranty.
Question on Mercury Racing 525 EFI | River Daves Place
https://www.riverdavesplace.com/forums/threads/question-on-mercury-racing-525-efi.173130/
Reaction score. 4,292. Looking for some maintenance advice on our 2007 Mercury Racing 525 EFI engine with 310 hours. Two weeks ago when idling into Windsor to pull the boat out we heard the Tap-Tap-Tap of a possible loose rocker arm. When the valve cover was lifted we saw the culprit. One of the OEM rocker arms had cracked.
Offshoreonly.com - Mercury Racing blue motors: 500EFI, 525 EFI, …
https://www.offshoreonly.com/forums/general-q/242108-mercury-racing-blue-motors-500efi-525-efi-575-sci-pros-cons-maintenance-etc-print.html
The rockers used in the new blue engines are Scorpion Endurance Marine Rockers, they list for around $400.00 merc price around $800.00. Anyway I'd personally skip the blue motor. Go to Young Performance, Wesco Racing, ect and have a great builder build your engine. It will cost you less and be a MUCH better engine.
Offshoreonly.com - Mercury Racing blue motors: 500EFI, 525 EFI, …
https://www.offshoreonly.com/forums/general-q/242108-mercury-racing-blue-motors-500efi-525-efi-575-sci-pros-cons-maintenance-etc-2-print.html
The 525 EFI is a great motor. The block is CNC machined, it has steel H-beam rods, forged pistons, aluminum heads, top quality valve train components, the hottest cam of any N/A Mercury Racing engine, Cometic head gaskets (later models) and on and on. Mine is an '07 vintage and still has the factory seal in place.
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