YAMAHA 90201-31MA3 Nos Outboard Plate Washers

( Manufacturer Part Number: 90201-31MA3 ), ( Part Type: Plate Washer ), ( Country Of Origin: Japan )

Review YAMAHA Nos Vintage Outboard Plate Washers Part fits MARINE

The **Yamaha 90201-31MA3 NOS (New Old Stock) Marine Outboard Plate Washers** are a meticulously preserved, high-quality set of replacement parts designed specifically for Yamaha marine outboard motors, ensuring optimal performance and longevity for your vessel. These **original equipment manufacturer (OEM) washers** are crafted from durable, corrosion-resistant materials to withstand the harsh marine environment, including exposure to saltwater, UV rays, and constant mechanical stress. The **NOS designation** guarantees that these washers have been carefully sourced from Yamaha s inventory of pre-owned but unused components, maintaining their original factory specifications and integrity without the wear typically associated with aftermarket alternatives. Engineered to fit seamlessly into the **900-series outboard motors**, these washers play a critical role in sealing critical areas within the engine s internal systems, preventing leaks, reducing friction, and enhancing overall efficiency. Whether used for routine maintenance or as a direct replacement for worn or damaged washers, these components exemplify Yamaha s commitment to precision engineering, ensuring a tight, reliable fit that aligns perfectly with the motor s original design. Ideal for enthusiasts, mechanics, and boat owners seeking authentic, high-performance parts, the **90201-31MA3 washers** are a testament to Yamaha s legacy of reliability, making them a trusted choice for those who demand nothing less than the finest in marine propulsion technology.

### **Pros and Cons of buying a Yamaha 90201-31MA3 (NOS Marine Outboard Plate Washer)**

1. **New Old Stock (NOS) Condition** The unit is in excellent, unused condition, meaning it has not been exposed to wear, corrosion, or mechanical stress. This ensures reliable performance and longevity.

2. **High Quality and Durability** Yamaha is a well-known brand for marine and industrial equipment, known for robust construction, efficient operation, and long-term reliability. The plate washer is designed for heavy-duty use, making it suitable for commercial or frequent marine applications.

3. **Efficient Cleaning Performance** The washer is likely equipped with effective spray nozzles and adjustable settings, allowing for thorough cleaning of marine outboards, propellers, and other metal surfaces. This reduces manual labor and improves maintenance efficiency.

4. **Compatibility with Yamaha Outboards** As a Yamaha-branded part, it is designed to fit seamlessly with other Yamaha marine engines, ensuring proper functionality and ease of installation.

5. **Potential Cost Savings** Since it is NOS, you avoid the depreciation cost of a used unit. Additionally, buying directly from a reputable seller (or Yamaha s authorized dealer) may prevent counterfeit or damaged replacements.

6. **Ease of Installation** Being a direct replacement part, it should integrate smoothly with existing systems, reducing downtime during installation.

7. **Warranty or Return Options** If purchased from a trusted seller (e.g., Yamaha s official site or a certified dealer), you may still have access to warranties or return policies, depending on the seller s terms.

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1. **Higher Upfront Cost** NOS parts are typically more expensive than used or refurbished alternatives. If budget is a constraint, this could be a significant drawback.

2. **Limited Availability** NOS parts may not always be in stock, requiring patience or additional search effort to locate the correct model.

3. **Potential for Overkill** If you only occasionally clean outboards, a less expensive or manual cleaning method might suffice. The plate washer is best suited for frequent or commercial use.

4. **Maintenance Requirements** Like any mechanical device, the plate washer will require periodic maintenance (e.g., checking hoses, nozzles, and seals) to ensure optimal performance. Neglecting maintenance could lead to clogs or malfunctions.

5. **Dependence on Power Source** Most plate washers require electrical or hydraulic power. If your setup lacks the necessary infrastructure, additional wiring or plumbing may be needed, increasing installation complexity.

6. **Environmental Considerations** High-pressure washing can generate runoff containing detergents or debris, which may require proper disposal to avoid environmental harm. Some marine areas have regulations governing water discharge.

7. **Skill Dependency** Proper installation and operation may require some technical knowledge. Mismanagement could lead to damage to the washer or the outboard itself.

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The **Yamaha 90201-31MA3 NOS Marine Outboard Plate Washer** is a high-quality, reliable investment for those who prioritize efficiency, durability, and long-term performance in marine maintenance. Its NOS condition ensures it will function as intended without the risks associated with used parts. However, the higher cost and potential overkill for infrequent users may make it less ideal for casual or budget-conscious buyers.

For **commercial marine operations, boatyards, or frequent outboard owners**, this washer is a worthwhile purchase due to its efficiency and longevity. For **occasional users or those on a tight budget**, a manual cleaning method or a less expensive alternative might be more practical.

- **Buy it if:** You need a dependable, long-lasting solution for regular outboard cleaning, have the budget for a premium part, and value Yamaha s reputation for quality.

- **Avoid it if:** You only clean outboards sporadically, are working with a limited budget, or lack the infrastructure to support its operation.

- **Consider alternatives if:** You find a refurbished or compatible third-party model at a lower cost, provided it meets your performance needs.

For the best experience, purchase from an **authorized Yamaha dealer or a reputable seller** to ensure authenticity and warranty coverage where applicable.

Details:

I will combine shipping in USA to save you $. Offering 9 NOS Vintage YAMAHA PARTS, as shown in photo. This would make a Great addition to any collection.

part #: 9020131ma3 prices

• $6.67-$14.99

specifications ouboaen:

• for models: Marine
• for makes: Yamaha
• mpn: 90201-31ma3
• part type: Plate Washer
• country of origin: Japan

general ouboaen:

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

returns ouboaen:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

shipping ouboaen:

• carrier: USPS
• type: Fixed
• class: Standard
• service: USPS Ground Advantage
• transit: 3-7 Days
• cost: $6.49

seller ouboaen:

• city: Virginia, Minnesota
• # reviews: 229
• rating: 100.0%

payments ouboaen:

• credit card: Visa
• other
• wallet: Google-pay

offer ouboaen:

• started: March 10, 2026
• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock

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