1. Boat Outboard Engines To Buy
  2. sku: 21814713928224633
  3. WSM 500-136

WSM 500-136 Cylinder Powerhead Gasket Kit

fits make: Johnson, Evinrude. year: 1970.

500-136 Wsm Johnson / Evinrude 50 - 70 Hp 3 Cylinder Powerhead Gasket Kit

( Brand: Wsm ), ( Manufacturer Part Number: 500-136 ), ( Part Type: Gasket Hp Cylinder )

Review WSM Johnson Evinrude 50 Hp Cylinder Powerhead Gasket Kit fits 1970

The **WSM 500-136 Johnson Evinrude 50 HP (5070) Cylinder Powerhead Gasket Kit** is a meticulously engineered replacement solution designed specifically for the iconic 50 horsepower and 70 horsepower cylinder powerheads found in Johnson/Evinrude outboard motors, particularly those from the 5070 series. This high-performance gasket kit is crafted to ensure a flawless seal between critical engine components, including the cylinder head, cylinder block, and other internal assemblies, thereby preventing leaks, maintaining optimal compression, and preserving the longevity of your powerhead. Engineered with precision-cut, durable materials, the kit includes all essential gaskets such as the cylinder head gasket, oil pump gasket, and intake/exhaust manifold gaskets along with high-quality sealing compounds to guarantee a tight, long-lasting fit. Whether you're performing routine maintenance, addressing wear and tear, or upgrading your powerhead for improved performance, this gasket kit is an indispensable component for restoring factory-level reliability. Its compatibility with the 5070 series ensures seamless integration, allowing mechanics and DIY enthusiasts to restore or maintain peak engine efficiency with confidence. By investing in this kit, you re not just replacing worn parts you re safeguarding the integrity of your powerhead, ensuring smoother operation, reduced risk of overheating, and extended engine life for years of trouble-free performance.

### **Pros and Cons of buying a WSM 500-136 Johnson Evinrude 50/70 HP Cylinder Powerhead Gasket Kit**

#### **Pros:**

1. **Compatibility** This gasket kit is specifically designed for the Johnson/Evinrude 50 HP and 70 HP cylinder powerheads, ensuring a proper fit and preventing leaks or damage.

2. **Quality Materials** The kit is manufactured to meet OEM standards, providing durable seals that help maintain engine efficiency and longevity.

3. **Prevents Costly Repairs** Worn or failing gaskets can lead to oil leaks, coolant mixing, or even engine damage. Replacing them proactively avoids expensive repairs down the line.

4. **Easy Installation** The kit includes all necessary gaskets (typically cylinder head, oil pump, and other critical seals), simplifying the replacement process compared to sourcing individual parts.

5. **Performance Maintenance** Properly sealed gaskets ensure optimal engine performance, fuel efficiency, and cooling system integrity.

6. **Cost-Effective Solution** Replacing gaskets is far cheaper than overhauling or replacing a damaged engine.

7. **Warranty Coverage** If purchased from a reputable dealer, the kit may come with a warranty, offering peace of mind against defects.

#### **Cons:**

1. **Limited Use** The kit is only compatible with the specified 50 HP and 70 HP Johnson/Evinrude powerheads, making it useless for other engine models.

2. **DIY Difficulty** While not extremely complex, replacing gaskets requires mechanical skill, proper tools (like a torque wrench), and patience to avoid mistakes.

3. **Potential for Improper Installation** If not installed correctly, new gaskets may not seal properly, leading to leaks or reduced performance.

4. **Additional Costs** Beyond the gasket kit, you may need to purchase sealant, torque wrench, and possibly new bolts if they are worn.

5. **Time-Consuming** The process involves disassembling parts of the engine, which can take several hours, especially for inexperienced DIYers.

6. **Professional Help Option** If unsure about the work, hiring a mechanic adds labor costs, negating some of the savings from a DIY approach.

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### **Conclusion**

The **WSM 500-136 Johnson Evinrude 50/70 HP Cylinder Powerhead Gasket Kit** is a **practical and cost-effective solution** for maintaining or restoring engine integrity in compatible outboards. It prevents leaks, extends engine life, and avoids more expensive repairs. However, it requires **proper installation** either through careful DIY work or professional assistance to ensure effectiveness.

For **owners with mechanical experience**, this kit is a **smart investment** to maintain engine health. For those less confident in engine work, **consulting a marine mechanic** before attempting installation is advisable to avoid costly mistakes.

### **Recommendation**

- **Buy the kit** if you have the right engine model and are prepared to handle the installation.

- **Consider professional installation** if you lack experience to ensure a proper seal.

- **Check for authenticity** when purchasing to avoid counterfeit or low-quality replacements.

- **Pair with a torque wrench and marine gasket maker** for optimal results.

This kit is a **wise preventive measure** for long-term engine reliability, especially for frequently used or older outboards.

Details:

This kit includes all necessary gaskets to ensure a proper seal for your engine, ensuring optimal performance and preventing leaks. The WSM Johnson/Evinrude 50-70 HP 3 Cylinder Powerhead Gasket Kit, 500-136, is a high-quality replacement gasket kit designed specifically for outboard engines. Manufactured by WSM, a trusted brand in boat parts, this gasket kit is compatible with various engine model's and reliable choice for maintaining your boat's.

part #: 500136 prices

  • $57.69-$68.95

specifications ouboaen:

  • for makes: Johnson, Evinrude
  • for years: 1970
  • brand: Wsm
  • mpn: 500-136
  • part type: Gasket Hp Cylinder

offer ouboaen:

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

shipping ouboaen:

  • service: USPS Ground Advantage
  • transit: 5-12 Days
  • class: Standard
  • carrier: USPS
  • type: Calculated
  • cost: $8.35

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  • wallet: Paypal
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  • credit card: Mastercard

seller ouboaen:

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

general ouboaen:

  • condition: New
  • Boat Parts > Outboard Engines Components > Other

returns ouboaen:

  • policy: No Returns
for makes: johnson, evinrude, for years: 1970, part type: gasket hp cylinder,
category: boat parts > outboard engines components, sku: 21814713928224633,
Wsm 500-136 Is Similar To:
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3 offers $57.69–$68.95 USD
  • New. Offer #1 priced at $59.97 + $0.00 shipping estimate = $59.97* total. 3 Cyl 3.187 Bore Looper 60. GASKET KIT, POWERHEAD.FREE SHIPPING
  • New. Offer #2 priced at $57.69 + $0.00 shipping estimate = $57.69* total. 1986-2001 Johnson/Evinrude 3 Cyl 3.187 Bore Looper 70. All complete gasket kits include enough gaskets for one motor, order one kit for one motor.FREE SHIPPING
  • New. Offer #3 priced at $68.95 + $0.00 shipping estimate = $68.95* total. Fits 50-70hp 3cylinder OMC motors with 3.187" bore which were from 1989-2001 on the 60hp and 1986-2001 on the 70hp Part number replaces 397974.FREE SHIPPING

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