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Martyr Anodes CMY200250KITM Yamaha 200-250 HP Outboard Magnesium Anode Kit

Manufacturer

Martyr Anodes

<h3>About Martyr Anodes</h3><p>When it comes to defending a vessel against galvanic corrosion, few names carry the authority of <strong>Martyr Anodes</strong>. A flagship brand within the <strong>CMP Group</strong>, Martyr has its roots in foundry operations that date back to the early 1900s in Vancouver, BC, growing from a local manufacturer into a globally recognized leader in marine cathodic protection. Today, the brand supplies boaters, commercial operators, and marine professionals worldwide with sacrificial anodes engineered to guard hulls, propellers, rudders, shafts, engines, and other submerged components from the relentless effects of corrosion.</p><h3>Three Alloys, Every Water Type</h3><p>What sets Martyr apart from competing anode manufacturers is its position as the only brand to offer all three protective alloys — zinc, aluminum, and magnesium — under a single product line. This matters because the correct alloy depends entirely on the water environment a vessel operates in. Zinc anodes are the classic choice for aggressive saltwater conditions, while aluminum anodes are preferred for saltwater and brackish environments, offering superior corrosion resistance with a reduced environmental footprint. Magnesium anodes are the go-to solution for freshwater use, delivering effective sacrificial protection without degrading too quickly. Whatever the operating environment, Martyr has an engineered solution to match.</p><h3>Military-Grade Manufacturing Standards</h3><p>Martyr does not cut corners on metallurgy. Every anode is pressure die-cast and manufactured to meet or exceed <strong>U.S. Military alloy specifications</strong>, using only high-purity metals. Each alloy batch is lab-tested with full certification and traceability available upon request. This rigorous quality management — operating under an ISO 9001 framework — ensures that each anode delivers consistent, long-lasting galvanic performance across a wide range of marine environments, from recreational pleasure craft to commercial vessels and naval applications.</p><h3>Anode Kits for Simplified Protection</h3><p>For boaters who want a complete, hassle-free maintenance solution, Martyr&rsquo;s <a href="/7452-martyr-anodes-anode-kits-200102">Anode Kits</a> offer pre-packaged sets engineered for specific engine models and boat types. Compatible with major marine engine brands including Yamaha, Mercury, Volvo, and MerCruiser, these kits take the guesswork out of corrosion protection and ensure every critical system receives optimal coverage in a single purchase.</p><h3>Sustainability at the Core</h3><p>Martyr and the CMP Group have made environmental stewardship a cornerstone of their mission. Traditional zinc anodes can contain cadmium, a metal that poses risks to aquatic ecosystems. Martyr actively advocates for the adoption of aluminum and magnesium alternatives that deliver equal or superior protection while minimizing harm to marine environments — embodying the brand&rsquo;s philosophy of &ldquo;Protect your boat, protect our waters.&rdquo; With over 1,000 anode types available and a catalog that fits virtually every major marine engine and boat model, Martyr remains one of the most comprehensive and trusted sources for marine corrosion protection in the world.</p>

Part Number

CMY200250KITM
06/01/2036 9:01 AM
Sale Price

$36.17

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Martyr Anodes CMY200250KITM is a complete magnesium anode kit engineered specifically for Yamaha 200-250 HP outboard motors operating in freshwater environments. This comprehensive protection kit provides complete cathodic protection against galvanic corrosion that can damage your outboard's critical metal components.

Complete Protection Kit Includes:

  • All anodes required for 100% corrosion protection of your Yamaha outboard
  • One transom bracket anode (CM6G54525101)
  • One trim tab anode (CM61A4537100)
  • Stainless steel fastening hardware for secure installation
  • Detailed installation instructions

Freshwater Corrosion Protection:

Magnesium anodes offer superior corrosion protection in freshwater because they have a higher driving voltage than aluminum or zinc anodes, making them highly effective in the low-conductivity environment of lakes and rivers. These sacrificial anodes protect your outboard's aluminum lower unit, propeller, and other metal components by corroding themselves instead of your valuable engine parts.

Quality Construction:

Martyr anodes meet all US Military specifications for magnesium alloys, ensuring consistent performance and reliable protection. Manufactured from high-purity magnesium alloy, these anodes provide optimal electrochemical potential for maximum protection in freshwater applications.

Important Installation Note:

Always verify propeller clearance after installing new trim tab anodes to ensure proper operation and prevent contact issues.

Warning:

Magnesium anodes are super reactive in salt water and will quickly deteriorate, potentially leaving your outboard unprotected. This kit is designed exclusively for freshwater use and should never be used in saltwater or brackish water environments.

Replaces Yamaha OEM part numbers: 6G5-45251-01M, 61A-45371-00M

Very fast shipping. Low price too.

I wAS not able to select Paypal (?) although it was offered. At least I Didn't see the option to get around entering a card. I think I know what the EZ drain is but it wasn't specifically described to the average novice.

outstanding experience.

Very happy with my order with Autoplicity. Hands down the best price on brake pads that I could find. One set took a little longer to arrive since the manufacturer was to send them out, but a call to customer service yielded an explanation and a few days later they were on my door step.

I wish they would put the car models it may fit

Don't know yet. You haven't a chance to mess any thing up yet.

nice online quick shopping and best Price

Easy and convenient

Lowest price I found and a great quick ordering experience. Product is listed as for WRX, but other sources say WRX model installs differently. Will work fine for my Forester, though.

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Easy shopping and checkout. Best price I have found on the item I was looking to purchase at this time.

So far so good.

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