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WSM 100-125-04SK Piston Kit for Johnson Evinrude 200-225 HP 3.685 Bore Starboard .010 Over

Manufacturer

WSM

<h3>About WSM Performance Parts</h3><p>WSM Performance Parts has built a strong reputation among powersports enthusiasts as a go-to source for <strong>quality replacement parts</strong> across a wide range of recreational vehicles. Based in Bohemia, New York, WSM specializes in parts for personal watercraft (PWC), marine vessels, all-terrain vehicles (ATV), utility task vehicles (UTV), and dirt bikes — making them a versatile, one-stop brand for anyone who loves getting out on the water or hitting the trails.</p><p>With a catalog spanning hundreds of part numbers, WSM is committed to delivering OEM-compatible components that meet or exceed original equipment standards. Whether you&apos;re rebuilding a jet pump on a Sea-Doo, refreshing an outboard motor, or restoring performance to an aging ATV, WSM offers the parts to get the job done right. Their mission is straightforward: provide the highest quality parts on the market at reasonable prices — a philosophy that has earned them a loyal following among weekend riders and professional mechanics alike.</p><h3>Why Powersports Enthusiasts Trust WSM</h3><p>WSM&apos;s strength lies in the depth and breadth of their product coverage. Their catalog includes everything from piston kits and gasket sets to fuel filters, shift cable bellows, jet pump repair kits, and engine rebuild components. Products are engineered to fit a wide array of popular brands including Yamaha, Sea-Doo, Kawasaki, Mercury, Suzuki, and many more, ensuring that finding the right part for your specific application is straightforward.</p><ul style="list-style:disc"><li><strong>Wide Vehicle Coverage:</strong> Parts for PWC, marine outboards, ATVs, UTVs, and dirt bikes all under one brand.</li><li><strong>OEM Compatibility:</strong> WSM parts are cross-referenced to original equipment numbers, simplifying the parts-matching process.</li><li><strong>Quality Assurance:</strong> Each product is designed to restore factory-level performance and reliability.</li><li><strong>Accessible Pricing:</strong> Performance-grade replacement parts without the premium markup of dealership pricing.</li></ul><h3>WSM Product Categories</h3><p>From jet pump rebuild kits for personal watercraft to engine components for off-road machines, WSM&apos;s catalog is designed to support serious maintenance and performance restoration. Riders who demand dependable parts — whether for a weekend trip on the lake or a full engine overhaul — will find WSM&apos;s lineup a reliable resource. Explore their <a href="/5555-wsm-automatic-transmission-master-repair-kit-7772">Automatic Transmission Master Repair Kits</a> and other drivetrain solutions available in their catalog.</p>

Part Number

100-125-04SK
09/12/2036 4:35 AM
Sale Price

$86.63

In Stock (5)

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Usually delivered within 2 days

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Product Details

The WSM 100-125-04SK is a high-quality starboard side piston kit designed for Johnson and Evinrude 200-225 HP 6-cylinder loop-charged outboard engines with a 3.685" bore. This kit features a .010" oversize specification for rebuilding engines with slightly worn cylinders.

Key Features:

  • Competitively priced forged piston construction for enhanced strength and durability
  • MOS2 (molybdenum disulfide) coating for superior performance and heat absorption
  • Precision-machined to exact tolerances for optimal fit and reliability
  • Includes piston, rings, wrist pin, and bearing assembly
  • Designed specifically for starboard (right) side installation
  • .010" oversize for rebuilding worn cylinders back to factory specifications

WSM (Western State Manufacturing) is a trusted name in marine engine components, offering OEM-quality replacement parts at competitive prices. This piston kit is manufactured from industry-leading materials using modern equipment to ensure long-lasting reliability and value. Cross-references to OEM part number 436860.

Note: This kit is sold as a single piston for the starboard cylinder. Port side pistons are available separately under part number 100-125-04PK. Proper cylinder boring and honing to .010" oversize is required for correct installation.

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Best prices by far and extremely easy to shop and buy.

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