WSM 500-125 Gasket Powerhead Cylinder Kit 865369010462 35 60

( Brand: Wsm ), ( Manufacturer Part Number: 500-125 ), ( Part Type: Gasket Hp Cylinder ), ( Image Note: Image Is For Reference Only, Actual Product May Vary Slightly. ), ( Ships From: Usa ), ( Oem Or Performance: Performance/aftermarket ), ( Vendor: Lionparts Powersports ), ( UPC: 865369010462 ), ( Handling Time: Approximately 2 Business Days )

Review WSM Gasket Kit Powerhead Johnson Evinrude 35 60 Hp Cylinder

The **W.S. Mowery (WSM) 500-125 Gasket Kit for Johnson Evinrude 35-60 HP Cylinder Powerheads** is a meticulously engineered replacement solution designed to restore peak performance and reliability to your Johnson Evinrude outboard engine s internal combustion system. This premium kit is specifically tailored for the 35 to 60 horsepower cylinder powerheads, ensuring a precise fit for models that demand both durability and efficiency. Crafted from high-grade materials, the kit includes a comprehensive selection of critical gaskets, seals, and washers that address common wear points, such as the cylinder head, oil pump, and valve cover, while also incorporating the intake and exhaust manifold gaskets to prevent leaks and maintain optimal compression. The gaskets are precision-cut to conform flawlessly to the engine s mating surfaces, minimizing the risk of warping or improper sealing that can lead to coolant or oil contamination, which are primary contributors to engine degradation over time. Beyond its functional integrity, this kit is built to withstand the demanding conditions of marine environments, where exposure to saltwater, vibration, and thermal cycling can accelerate component failure. Installing this gasket kit not only addresses existing leaks or compression issues but also serves as a proactive measure to extend the lifespan of your powerhead by reducing friction and maintaining proper lubrication within the engine s critical areas. Whether you re performing routine maintenance or addressing a specific performance concern, the WSM 500-125 kit offers a hassle-free upgrade that aligns with the engineering standards of Johnson Evinrude, ensuring your outboard operates with the same power and efficiency as when it was new.

### **Pros and Cons of buying a WSM 500-125 Gasket Kit for a Johnson/Evinrude 35-60 HP Cylinder Powerhead**

The WSM 500-125 gasket kit is a well-regarded aftermarket solution for Johnson/Evinrude outboard engines, particularly for the 35-60 HP cylinder powerhead models. Here are the key advantages:

1. **Compatibility and Fit** WSM (Watercraft Sealing Materials) is a trusted brand specializing in high-quality gaskets for marine engines. Their kits are designed to match OEM specifications closely, ensuring proper sealing and preventing leaks in critical areas like the cylinder head, oil pan, and intake manifold.

2. **Cost-Effective Maintenance** Replacing worn or damaged gaskets is a common maintenance task for older or high-mileage engines. A gasket kit is significantly cheaper than a full engine rebuild or replacement, making it a practical choice for restoring performance and preventing further damage.

3. **Prevents Engine Damage** Failed gaskets can lead to oil leaks, coolant mixing with oil (which can cause catastrophic engine failure), or compression loss. A new gasket kit helps maintain proper sealing, extending the engine s lifespan and avoiding costly repairs.

4. **Ease of Installation** WSM gaskets are designed for straightforward installation, even for DIYers with basic mechanical skills. The kit typically includes all necessary gaskets (e.g., cylinder head, oil pan, intake manifold, and valve cover) along with instructions, reducing the need for custom parts.

5. **Improved Performance** A properly sealed engine runs more efficiently, with better compression and reduced friction. This can lead to improved throttle response, fuel economy, and overall power output.

6. **Long-Term Reliability** High-quality gaskets from WSM are made from durable materials that resist heat, pressure, and corrosion, providing reliable service for thousands of miles.

7. **Widely Available and Trusted** WSM is a well-established brand with a strong reputation in the marine industry. Their products are easy to find through marine supply stores, online retailers, and dealers, ensuring availability and support.

---

1. **Labor-Intensive Installation** Replacing gaskets requires disassembling parts of the engine, including the cylinder head, oil pan, and intake manifold. This process can be time-consuming, especially for those without prior experience. It may require professional help if the engine is heavily worn or if additional repairs (e.g., warped cylinder head) are needed.

2. **Potential for Additional Repairs** If the engine has been neglected, replacing gaskets may reveal other underlying issues, such as worn piston rings, a leaking head gasket (requiring a head gasket replacement or even a new cylinder head), or damaged seals. This could increase the overall cost beyond just the gasket kit.

3. **Quality Variability with Aftermarket Parts** While WSM is reputable, some users report that aftermarket gaskets may not last as long as OEM parts, especially in extreme conditions (e.g., saltwater exposure, heavy loads, or prolonged high RPM use). However, this is less common with WSM due to their focus on marine applications.

4. **Risk of Improper Installation** If gaskets are not installed correctly (e.g., improper torque, misalignment, or failure to use gasket maker), leaks can still occur. This requires careful attention to the installation process and possibly using a gasket sealer recommended by WSM.

5. **Limited Warranty** Unlike OEM parts, WSM gaskets typically come with a limited warranty (often 12-24 months), which may not cover all potential failure modes, especially if installation is improper.

- Gasket sealer (e.g., Permatex 24000 or WSM s recommended product).

- New bolts (if they are stretched or damaged).

- Cleaning solvents (e.g., brake cleaner or gasket remover).

- Thread locker or anti-seize compound for bolts.

- These extras can add to the overall cost.

7. **Not a Permanent Fix for Engine Wear** Gasket replacement addresses sealing issues but does not address deeper engine wear, such as worn bearings, pistons, or crankshaft damage. If the engine has significant internal wear, gasket replacement alone may not restore full performance.

---

The WSM 500-125 gasket kit is a **highly practical and cost-effective solution** for maintaining or restoring a Johnson/Evinrude 35-60 HP cylinder powerhead, particularly if the engine is experiencing leaks, compression loss, or oil/coolant mixing. It is ideal for:

- Preventative maintenance to extend engine life.

- Addressing minor to moderate gasket failures.

- DIY enthusiasts who are comfortable with basic engine disassembly and reassembly.

However, it is **not a comprehensive repair** for engines with severe internal wear or damage. If the engine has been neglected or shows signs of major issues (e.g., excessive oil consumption, rough idle, or overheating), a **full inspection by a professional mechanic** may be necessary to identify and address underlying problems before proceeding with gasket replacement.

For most users, the **pros outweigh the cons**, especially when considering the long-term savings compared to a full engine rebuild or replacement. The kit is a **smart investment** for those who prioritize reliability and performance without the expense of a major overhaul.

- Your engine is experiencing gasket-related leaks or compression issues.

- You are prepared to invest time in proper installation (or have access to a mechanic).

- You want to avoid the higher cost of a full engine rebuild.

- You plan to use the engine regularly and want to prevent further damage.

- The engine has significant internal wear (e.g., worn piston rings, cracked cylinder head). In this case, consult a marine mechanic to assess whether a gasket kit alone is sufficient or if a rebuild is needed.

- You are not comfortable with engine disassembly. Hiring a professional for installation may be worth the extra cost to ensure proper sealing.

- You are operating in extreme conditions (e.g., saltwater, heavy loads). Supplement the gasket kit with high-quality gasket sealer and consider using marine-grade oil and coolant.

**Final Verdict:** The WSM gasket kit is a **strong choice** for maintaining or repairing a Johnson/Evinrude 35-60 HP powerhead, provided you approach the installation with care and address any underlying issues. It strikes a balance between affordability and effectiveness, making it a recommended option for most users.

Details:

This WSM Gasket Kit Powerhead is designed for Johnson / Evinrude engines ranging from 35 to 60 horsepower with 2 cylinders. The kit includes gaskets needed for the powerhead, providing a reliable solution personal watercraft maintenance.

part #: 500125 prices

• $62.59-$64.97

specifications jetskiintakeez:

• for makes: Johnson, Evinrude
• brand: Wsm
• mpn: 500-125
• part type: Gasket Hp Cylinder
• image note: Image Is For Reference Only, Actual Product May Vary Slightly.
• ships from: Usa
• oem or performance: Performance/aftermarket
• vendor: Lionparts Powersports
• upc: 865369010462
• handling time: Approximately 2 Business Days

payments jetskiintakeez:

• other
• credit card: Discover
• wallet: Apple-pay

returns jetskiintakeez:

• policy: No Returns

offer jetskiintakeez:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: February 5, 2026
• availability: In Stock

general jetskiintakeez:

• condition: New
• Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems

seller jetskiintakeez:

• # reviews: 1594
• rating: 100.0%
• city: Henrico, North Carolina

shipping jetskiintakeez:

• cost: $8.72
• carrier: USPS
• class: Standard
• transit: 5-12 Days
• service: USPS Ground Advantage
• type: Calculated

Wsm 500-125 Is Similar To:

• 38 Mikuni 44 006-346 46mm Wsm Kit Rebuild Carburetor (20.2% similar) Must determine model size of carburetor because chart lists by carburetor model size. Kits sold per carburetor. Occasionally a manufacturer will change a part or update a design. Needle and seats sold separately...(December 24th, 2014)
• Rebuild Wsm Sbn 006-351 Carburetor Mikuni Series Kit (24.8% similar) Kits sold per carburetor. Needle and seats sold separately. Occasionally a manufacturer will change a part or update a design. Must determine model size of carburetor because chart lists by carburetor model size...(December 24th, 2014)
• X2 006-405 Kawasaki Sc Sx Ts Fuel Wsm Jetski Repair Pump Kit 650 (18.4% similar) If you are looking for dolefulness, wind line or Jim black parts, please to go to our hatches and cleats store. Please message for a quote...(June 16th, 2014)
• Mikuni 44mm Brand Throttle 006-444 Rebuild Carburetor Sbn Wsm Valve Kit (13.5% similar) Throttle valve rebuild kit miking SVN 44MM carburetor Wsm brand new...(February 23rd, 2015)
• 006-504 Tripple Wsm Polaris Kit Carbs Kawisaki Primer Yamaha Seadoo (27.6% similar) Here's a brand new Wsm triple primer kit thanks...(January 1st, 2015)
• 007-297 Wsm Flame Arrestor Gasket For Yamaha Waveventure (33.1% similar) We advise you to check with a licensed mechanic or speak the manufacturer direct before using any parts purchased. It must also be in the original packaging. Products found to be defective with in a 60 day period of purchase shall returnable us at our expense. Oversized and hazardous items typically...(November 11th, 2018)
• 007-298 Wsm Flame Arrestor Gasket For Yamaha Waverunner (31.8% similar) We advise you to check with a licensed mechanic or speak the manufacturer direct before using any parts purchased. Catalogue images for rad part number: ad electronic parts must go back to the manufacturer for bench testing. It must also be in the original packaging. Because issues are often solved ...(July 19th, 2018)
• 1100 007-303 Yam Manifold Gasket Carb Wsm (22% similar) Sm's yam 1100 carb. Gasket manifold please be advised that some of our pictures are for presentation purposes only universal generic pictures...(September 9th, 2014)
• Gasket 007-304 1100 Reed Yam Wsm (22% similar) ...(September 9th, 2014)
• 007-331 Wsm Carburetor Gasket For Kawasaki (30.3% similar) It must also be in the original packaging. We advise you to check with a licensed mechanic or speak the manufacturer direct before using any parts purchased. Because issues are often solved over the phone with tech support, call manufacturer first and be sure to get name of whoever you speak if need...(July 18th, 2018)
• 007-351 Wsm Carburetor Gasket For Yamaha Waverunner (32.8% similar) Products found to be defective with in a 60 day period of purchase shall returnable us at our expense. Electronic parts must go back to the manufacturer for bench testing. Oversized and hazardous items typically ship by truck can have substantial shipping costs. Because issues are often solved over ...(July 19th, 2018)