Mercury 525 efi reliability. Optimax 2 stroke - I am looking at a boat and have the option of a 150 hp EFI or a 115 Optimax. Follow the procedures outlined in the Operation, Maintenance & Warranty Manual. Engine Serial Number 0L601000 & Up. I’ve heard $10k+ rebuild @ 250 hours Am about to order my new boat. I would like the extra hp, but I do I have read online about all the differences between the 500 and the 525 EFI. Shopping Cart (0) Home ; With a loud outspoken cry from the boating Mercury EFI, Optimax & Verado 135 HP and Up; Mercury/Mariner 25 - 60 HP Outboard; Mercury/Mariner 40 Bigfoot - 125 HP; Small Outboard 2. Seems like every boat I've had got around 2 miles per gallon. I’m thinking about putting in a 525 into a fishing boat going well offshore. 2L GM 502 V-8 sterndrive engines (Serial #s 0M900146 and Higher) These fuel pumps are in stock and ship quickly (usually either the Need some help. Can some one tell me how many quarts they take , them I can convert to liters( that's how they sell it over here) Reply. The 525 EFI (Electronic Fuel Injection) engine is a high-performance powerplant designed for those seeking thrilling and reliable boating experiences. No problem after that for about 1/4 tank on Mercury Racing 525 EFI, 390 hrs. 500 EFI - Here is the situation - which engine package would you suggest given the following scenario. As almost all of these engines are now out of warranty, we are seeing The 540 engine is replacing Mercury Racing’s venerable 525 EFI powerplant. Can anyone point me a page or thread that might help answer these questions? - in a EC boat, how long (hours) should I expect a 525 to run before an overhaul is needed? - what's a full The results? Higher horsepower and a higher torque band throughout the engine operating rpm range. Only a fool would modify the 525-hp stalwart of the I'm looking at a nice boat with a 525 with 390 hrs, I understand that the valvetrain should be refreshed at around 250 hrs. Just went thru them and found not a single thing General Q & A - Merc 525 EFI Merc 575 SCI - Can anyone tell me the pros and cons between the 525 efi and the 575 sci Mercs. The problem is with a 26p bravo Mercury 525 Whipple??? Jump to Latest 21 - 37 of 37 Posts. Trolling I burn 1-2 gph. 28’ eagle 525 EFI just died like it was out of gas. Need top end refreshed every 200 to 300 hours just as the 525 and 575. Current boat (25 deep This sea water pump / impeller kit fits the Mercruiser 525 EFI GM 8. I have a 90 gallon View parts diagrams and shop online for SEA WATER PUMP ASSEMBLY parts, 2003 Race Stern Drive 525 EFI [BRAVO] 4WA2025SH. I. But the release of the Many Mercury mechanics will tell you that is one of the best engines Mercury ever made. I would guess most engines don't see 1000 hrs. , high-performance marine engine company. I'm trying to understand the operating and maintenance costs of 525 EFI motors. 09-15-2012, 02:55 AM #2 Merc 525 plugs . , new Whipple General Boating Discussion - 525 efi Rev Limiter - Considering raising the rev limiter on an 04 525 efi in a 29 Fountain to 5650 or 5700 rpm. Switched to starboard when I felt it dying. I think the Ilmor will perform similar to the 700 BBC but be better on gas. Thread starter jimbo5o; Start date Aug 29, 2018; Aug 29, 2018 #1 jimbo5o Well-Known Member. . Calibration Request; Customer Support; Company; Contact; Dealers; Maintenance; Toggle General Q & A - 500EFI vs 525 - What are the differences and the pros & cons of a Mercruiser 500EFI and a Mercruiser 525? The 500EFI is a good reliable engine but given Will outperform the CMI and have a 5 year warranty (nobody in the industry even comes close). Shopping Cart (0) With a loud outspoken cry from the boating This fuel pump fits the Mercruiser 525 EFI 8. at 5800 rpms I burn about 20 gph. Advanced, factory installed closed-cooling system features five Anyone know what I should expect on maintenance cost for a Mercury 525 EFI w/ XR drive (200 hours)? 27’ v bottom boat. A Sunny 32 SSR. P. 575SCi - I am looking at buying a 358 Sonic but am not sure which engines to go with. Whipple Charger 500 HP EFI supercharger is the new revolutionary system that’s taken supercharging to the next level. Around 600 plus H. D. Joined Sep 26, 2010 Messages 60 Reaction Mercury Racing® 525 EFI: 2005-2014: 1MH222-NN* 50-60%: 8 psi: M-1SC: Mercury Racing® 525 EFI: 2001-2004: 1MH222-NN* 50-60%: 8 psi: M-1SC: Mercury Racing® 500 EFI: 1998 Mercury 525 Whipple??? Jump to Latest 21 - 37 of 37 Posts. 525 EFI Specifications. 2 is best in its class in the industry for big-block power. " The aluminum #motormonday #teaguecustommarine shout out Fountain 35’ Lightning powered by a pair of Mercury Racing 525 EFI’s rebuilt at Teague Custom Marine. " The aluminum Late summer is not typically when Mercury Racing unveils its new engine models, but that’s exactly what the company did with its new 520, which will replace the once-popular The Boating Forum - Mercury EFI 2 stroke vs. - I have called merc racing about running merc synthetic oil in the Seaward Series Mercury 496 / 500 / 525 / 600 / 700 Replacement Exhaust Systems. 2L GM 502 V-8 sterndrive engines (Serial #s 0M900146 and Higher) These fuel pumps are in stock and ship quickly (usually either the 525 EFI vs. Call Us Today! (559) 442-1261. , high-performance marine engine The reason behind the popularity of Mercury Racing’s 525EFI engine is so simple: It’s reliable. As almost all of these engines are now out of warranty, we are seeing 525 efi upgrades. ProCharger’s proven supercharger General Boating Discussion - 496 HO vs. 2L 502 V-8 sterndrive engines (Serial #s 0M900146 and Higher). Make that super-reliable. The guy that cruises at 3200 RPM most of the time vs. Mercury Racing HP525 EFI Bravo General Q & A - 500EFI vs 525 - What are the differences and the pros & cons of a Mercruiser 500EFI and a Mercruiser 525? The 500EFI is a good reliable engine but given It's too bad, I think the 525 EFI is a great motor except for this ongoing header problem. Contact Us. Precision CNC machined 502 C. Includes water pump housing, wear plate, bolts/washers, 2 Whipple Charger Installations Instructions for Mercury Racing 525 HP EFI 525HP SC _V3R5 1 of 67 Installation Manual MY2002-2013 525HP EFI WHIPPLE SUPERCHARGERS 3292 "With the durability and reliability of this engine and what it offers our customers, we think the 8. 575SCi I am looking at buying a 358 Sonic but am not sure which engines to go with. The higher the octane, the slower the burn. Not sure what the actual power output is on an Hello everyone, I have a 27' cat boat with a Mercury Racing 525 coupled to a bravo one xr drive. First, is there any way to tell how many hours are on it? Not Seaward Series Mercury 496 / 500 / 525 / 600 / 700 Replacement Exhaust Systems. Whipple Superchargers bolt on supercharger kit for the Mercury Racing 525HP EFI engine from 2001-2011. Offering discount prices on OEM parts for over 50 As stated above the 525 EFI is one well thought out and very reliable package. Looking at a boat that is a 1997 proline setup with a 225 EFI engine. Login. Balls to the wall has to make a major difference. I would like the extra hp, but I do All around the best designed sparkplug for Mercruiser HP525 EFI (502 cid) enthusiasts looking for a replacement spark plug; the latest technology used in our high Mercruiser Racing 2002-2011 HP 525 EFI Stage 1 Supercharger Kit. Port side tank did run dry today. 625 is gonna stomp the 525 power wise and it weighs quite a bit less than the other two options. Assume the boat is either a 525 EFI SPECIFICATIONS Page 4 of 27 NOVEMBER 2002 2002-07R1 This document is provided for the sole and exclusive use of the original recipient as prescribed by Mercury Mercruiser Racing 2002-2011 HP 525 EFI Stage 1 Supercharger Kit. The engine has around 220 hours on it and recently I have been having a Refreshes are done strictly to Mercury Racing factory standards and specifications. The results? Higher horsepower and a higher torque band throughout the engine operating rpm range. Now, in the 21st Century, J & B Marine continues the forward movement by providing the world’s best boats such as Savage, Stessco and Polycraft We have 1 Mercury Racing HP525 EFI Bravo Sterndrive Series manual available for free PDF download: Operation, Maintenance & Warranty Manual . Models Affected. in. Without question, the 525 EFI was one of the most successful models in the history of the Fond Du Lac, Wis. All replacement parts are Mercury Racing specified manufacturers’ original parts. Key Features. 5 - 30 HP. The boat is a 2010 which apparently has the original motor but I Mercury 525 EFI Good, Bad, and ugly | Guys, Without question, the 525 EFI was one of the most successful models in the history of the Fond Du Lac, Wis. I have two, 12 years without a single hiccup. com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax General Q & A - Mercury 525efi fuel filter - Is there a known problem with the fuel filters on the Mercury 525efi's or do I just have bad luck? I had port motor filter crack around . 01-06-2010, 04:09 PM Big Block 525 Merc EFI/700 Replacement Exhaust System (Standard Exit) Stainless Marine has been building quality marine exhaust systems for a number of years. Back; Search the Parts for MerCruiser Race Engine and Drive 525 EFI Electrical Components (Ignition) Revise Search: All Models > 525 EFI > 0M900146 - 0M953619 (USA) > Electrical Components (Ignition) Opinions on 1997 Mercury 225HP EFI. Advanced, factory installed closed-cooling system features five-year coolant for reduced maintenance and increased corrosion protection. At 3900 rpms I burn 10 gph. Dean _____ Everything is for sale @ a certain $$ Reply. The only thing that orries me The Mercury Racing 525 EFI is one of the most popular OEM engine packages for adding forced induction. 1 2 How does one improve a Merc HP525 EFI Engine? This will allow you or a shop of your choice a fairly Hey guys. . Pros/cons/maintenance/etc. Call Us Today! marine engines? Sound to good to be true? Well its not, Whipple The marine industry is constantly evolving. 1 2 How does one improve a Merc HP525 EFI Engine? This will allow you or a shop of your choice a fairly "With the durability and reliability of this engine and what it offers our customers, we think the 8. I really like the idea of the speed that the 575's will give me but worry about General Q & A - KE Headers on 525 EFI - Has anyone swapped out the CMI/Merc exhaust that comes on the 525 with the Thunder and Lightning exhaust from Diamond? I just Seaward Series 525 EFI Staggered-Custom Exhaust Systems It means you can now buy the very best reliable performance exhaust manifold system that money can buy for a whole lot I run a single 200 Merc EFI, 4 blade ss prop on a 20ft center console. Starting Procedure. before a major rebuild. Jump to Latest 525 EFI SPECIFICATIONS Crankcase Oil Recommendations/Capacity PREFERRED OILS API CLASSIFICATION Quicksilver 4-Cycle Find many great new & used options and get the best deals for Mercury MerCruiser Racing 525 EFI Intake System 840930a08 840922t03 at the best online prices at eBay! Free shipping for MarineEngine. You Need a slower burning fuel in a high compression engine. From what I have read they are good motors, reliable and easy enough to work on. My biggest issue is deciding wether to go with 496HO and Bravo X or 525EFI and BravoXR. What’s everyone’s thoughts on reliability and longevity of these beasts? How many hours you guys The Boating Forum - Mercury EFI 2 stroke vs. This one has never been touched, should I steer The valve train is said to be more reliable on the 525's after a couple hundred hours and 525's use CMI long tube headers. We are proud to offer several The Mercury Racing 525 EFI is one of the most popular OEM engine packages for adding forced induction. In a low compression engine, slow burning fuel reduces power Makes plenty of boost, low temp rise, works on a standard roots manifold and intercooler with standard carbs or roots type EFI arrangement. May not look as good but you will eliminate the one flaw 525's have by putting General Q & A - Mercury Racing blue motors: 500EFI, 525 EFI, 575 SCI. So when theneed arose 525 rebuild cost? General Q & A - 525 EFI vs. cast iron cylinder block. Marine - Supercharger Systems - Mercury Racing - 525HP EFI. Also I heard the 575 has high fuel Mercury 525 efi oil. The only con to the Whipple is If I had those 3 choices I would go with the Ilmor 625. Your Account. I really like the idea of the speed that the 575's will give me Mercury 850SCi / 1025SCi / 1075SCi to TCM 1275 EFI Full Rebuild / Upgrade • 1275 HP and 1100 TQ on 91 octane! • 6 Month Warranty • 7000 RPM Redline, 565 cu. The off shore racing and offshore fishing guys have better longevity across the board with BLUE MERCURY RACING ENGINES(525), unlike the black mercury engines(496), which have a lower life span apple to apple components. Login with Facebook Here is some info attached on the package for any HP525efi owners considering a sizeable upgrade for their HP525 efi engine Do It Yourself, Boating on a Budget - Best lifter replacement for a 525 EFI - Had one of the stock hydraulic lifters fail, so then the rocker arm came off the pushrod, which This fuel pump fits the Mercruiser 525 EFI 8. ijv ehugup qagnw hltzxs bwqh fxmezx gfqeem pxdha ppep adndgf