yamaha's standard upper casing exhaust kit for 2004 and newer f200, f225, and f250 models mar-exhkt-04-00 Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Yamaha F150 -> F250 Exhaust Corrosion Problems (Early 2000 models) I've got a 2006 Yamaha F150 with 1070 hours I took it in for a service a couple of weeks ago and it turns out there is major corrosion in dry exhaust areas of the powerhead and mid section/exhaust guide. A water sealed outer wall around the exhaust muffler effectively reduces exhaust tone, for whisper quiet operation and enhances cooling, which protects the exhaust system against corrosion. No idea how the engine could still even run, much less not throw a rod. The engines had been serviced every year exactly as Yamaha suggested, and in fact had just been serviced a week before at a cost of $2,000. Two engineers for Yamaha developed the company’s first outboard motor in 1958 according to Crowley Marine. Oetegenn took the boat to his mechanic and was stunned when told the dry-exhaust corrosion was so severe that the power heads would have to be replaced at a cost of more than $20,000 for both. Corrosion Protection: Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ electro-deposited, anti-corrosive paint system provides a tough, five-layer barrier against corrosion. What is Dry Corrosion: This type of corrosion happens in places that don’t come into direct contact with water — for example, the exhaust system. I have a pair of 04 225 hp four stroke yamaha outboard engines. Owners of the Yamaha F225 outboard engine have experienced severe corrosion to the exhaust tube and the oil pan of the motor after little use. I am in the process of replacing the exhaust with the kit sold by SIM Yamaha. Legendary Yamaha Reliability. The corrosion problem inside the exhaust housing and water plate that shows up on some Yamaha 4 strokes is not addressed in a service bulletin, but taken on an individual case basis by Yamaha. Here is a link to a multi-page thread about the water plate corrosion in the V6 Yamaha 4-strokes. Regardless of where you boat, corrosion attacks both the inside and the outside of your outboard—every day, all the time. Page four has a picture of the problem The all-new Yamaha V8 XTO Offshore® carries on that tradition. ... contact with water—exhaust systems, for example. Buy Yamaha Upper Casing Exhaust Kit for 2002 and 2003 F200 and F225 models - MAR-EXHKT-03-00 FREE Shipping on qualified orders - Boats.net I know this is a common motor on many Grady's. That being said it was with out question the most reliable motor I have ever had and probably is for most other then the exhaust corrosion. CORROSION PREVENTION. New plaintiff Gerald Chiariello of Glen Cove, N.Y., used his Yamaha outboard for a mere 380 hours between May 2006 and March 2012 before he removed the engine’s lower unit and allegedly discovered, according to the complaint, “complete corrosion all the way through the exhaust chamber,” which cost him $2,574 worth of repairs. ... Yamaha Outboard Exhaust Kit - Fits 2004 & Newer F200 - F225 - F250 3.3L V6 - MAR-EXHKT-04-00. It's really common on early 225hp and some 250hps. What model year Yamaha 225 Four Strokes are having exhaust port corrosion issues and and does that effect the 200 Four - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. And outboard exhaust corrosion is one of its common forms. KENNESAW, Ga., Jan. 25, 2021 — Yamaha Marine kicks off 2021 with brand new product offerings including updated V6 Offshore outboards that combine new benefits with a reliable performance legacy. Time for either a rebuild or new powerhead. Yamaha owners get something that can’t be measured in HP or RPM—legendary Yamaha reliability. New plaintiff Gerald Chiariello of Glen Cove, NY, used his Yamaha outboard for a mere 380 hours between May 2006 and March 2012 before he removed the engine' lower unit and allegedly discovered, according to the complaint, "complete corrosion all the way through the exhaust chamber,"which cost him $2,574 worth of repairs. Most of the Yamaha corrosion is on engines mounted on larger boats, often under propped, and almost always in the Southern salt water areas and rarely in the colder northern sea water environments. 2-Stroke Marine Engine Oil. The etec can be very temperamental and are rarely trouble free out of the box. Yamaha’s proven labyrinth exhaust system reduces engine noise at low RPM and idle. A water sealed outer wall around the exhaust muffler effectively reduces exhaust tone for whisper quiet operation and enhances cooling which protects the exhaust system against corrosion. but the F2xx exhaust corrosion is particularly interesting / disturbing because it affects a "dry" area. The Upper exhaust guide which can be seen externally is also primer painted (dark gray) and does not match the color shade with the rest of the outboard. "However, there is a serious defect in these outboard engines that Yamaha has failed to remedy," says Mougey. What made it worse was that I was raped by the dealer when the work was done. While people were skeptical of the producers of musical instruments entering the outboard motor arena, within a … Yamaha corrosion prevention is a top priority for the longevity of your engine and time is of the essence. While your Yamaha Marine dealer can help you with, or even do, most of your general and preventative maintenance, corrosion mitigation is something you can only do yourself—and time is of the essence. A water sealed outer wall around the exhaust muffler effectively reduces exhaust tone for whisper quiet operation and enhances cooling which protects the exhaust system against corrosion. Yamaha’s proven labyrinth exhaust system reduces engine noise at low RPM and idle. Yamaha’s proven labyrinth exhaust system reduces engine noise at low RPM and idle. Perhaps "breathing salt air" is the cause ? And through that decade many tweaks and improvements have been made. The kit parts are painted with primer paint. Regardless of where you boat, corrosion attacks both the inside and the outside of your outboard … I had the f225 corrosion issue. Exhaust: Thru propNew Price For Brand New/Used 2018 Yamaha 60HP Outboards Motors Ignition System: TCI Micro Computer CARB Rating: 3-Star Alternator Outputat WOT: 17A Starting System: Electric Lubrication: Wet Sump Oil Capacity: 2.6 quarts Recommended Engine Oil: Yamalube 4M Gear Ratio: 2.33 Control Type: Remote For more than 30 years, Yamaha Outboards have delivered far more than superior power, performance and efficiency. Sierra Marine Engine Oil. Yamaha’s proven labyrinth exhaust system reduces engine noise at low RPM and idle. This protection is standard on all the Yamaha Midrange 70-, 60- and 50-horsepower four strokes. Consumers who have purchased first generation (2002-2004) four stroke outboard motors and reported a rapid buildup of corrosion on internal parts, as well as dry exhaust corrosion. Marine Engine Oil. It has been alleged that the company’s first-generation F-Series four-stroke outboard motors (model years 2000 – 2005) contain a serious defect that allows the exhaust passages to corrode and pit severely, ultimately resulting in premature engine problems and failure. My buddy decided to go with a new Yamaha powerhead. One owner saw severe corrosion … Two things are known: the problem requires exposure to saltwater or a salt atmosphere (fresh water engines … Marine Engine Oil. Re: Yamaha F225 (Exhaust passage corrosion) Root Cause? Hi guys, anyone know How to inspect a Yamaha Outboard for mid-section exhaust corrosion? Product names, coloring and graphics may also differ. Fuel - Lubes - Oils - Corrosion Protection. The reason for corrosion in the exhaust mid section and oil pan of 2000 - 2006 Yamaha V6s has never really been explained by Yamaha or anybody else. If your outboard’s cooling passages aren’t cleaned regularly, there will be hot spot inside and lead to outboard exhaust corrosion. Rating: 100 % of 100. The Yamaha F350C, with the “C” indicating that this isn’t yesteryear’s outboard engine. They all don't do it, it is more common in Florida and other semi-tropical waters. When the boat’s fuel is burned off sulfate salts are created, and these salts are highly corrosive, which means if your outboard’s cooling passages aren’t cleaned regularly corrosion will happen. Your Yamaha outboard is raw-water cooled, meaning it uses the water it’s operating on as cooling water. 4-Stroke Marine Engine Oil. Yamaha’s history of great outboard motors. Although, yes, purely on anecdotal reporting, "freshwater use only" engines seem to be less affected. SIM YAMAHA is your dependable, affordable, knowledgeable, authorized USA Yamaha marine outboard motor and YAMAHA OEM outboard motor parts, Yamalube oil and accessories dealer for two-stroke, ... YAMAHA'S UPPER CASING EXHAUST KIT FOR 2002 AND 2003 F200 AND F225 MODELS MAR-EXHKT-03 … Upon pulling the powerhead off the motor, it was astonishing to see rampant corrosion in the dry exhaust portion down to about 6" below the powerhead. The result? Cooling water provided around the muffler reduces exhaust noise and protects the exhaust system from corrosion. Yamaha uses a dry exhaust system unlike other engine so exhaust gas temperatures are higher than in water injected exhaust systems. Its too bad Yamaha sees it in their best interest to remain mute on the subject. The Yamaha V6 Offshore outboards, in the form of the F225, F250, and F300 engines, are topped in the line only by the Yamaha F350 V8 powerplant.But the F350 has been around for over a decade. I have one, they say it's been done but who knows. A water sealed outer wall around the exhaust muffler effectively reduces exhaust tone for whisper quiet operation and enhances cooling which protects the exhaust system against corrosion. Thanks Yamaha Marine has updated its immensely popular 4.2L V-6 Offshore outboard motors—the F250 and F300—with a number of improvements, including new electric steering systems, redesigned exhaust bypass to optimize reverse thrust, and full-tilt function. The fuel burn will produce some by-products known as sulfate salts which are highly corrosive especially in hot temperatures. Fuel - Lubes - Oils - Corrosion Protection. The lineups of outboard models offered differ by country or area. Yamaha Outboard Corrosion Lawsuit Investigation Gibbs Law Group is investigating consumer complaints concerning Yamaha outboard motors.

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