YAMAHA 137-11631-61 Piston YA6

( Manufacturer Part Number: 137-11631-61 ), ( Part Type: Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: J8 Crp1-n Buk 13 )

Review YAMAHA Ya6 Piston New Oem fits 1964–1966

Introducing the Yamaha YA6 Piston, a premium component for classic Yamaha outboard motors from the years 1964 to 1966, specifically modeled as part number 137-11631-61. This piston is a crucial part of your outboard engine's combustion process, ensuring optimal performance and durability.

The YA6 Piston is meticulously crafted using high-quality materials to withstand the rigors of marine environments. The piston skirt is engineered to provide an excellent seal against the cylinder wall, minimizing blow-by and reducing friction for enhanced power delivery and fuel efficiency. The piston crown is designed with a precise combustion chamber shape for efficient fuel consumption and complete combustion.

The piston features a forged steel construction, ensuring strength and durability under heavy loads. The skirt has a generous radius for improved ring seal and longer ring life. Additionally, the piston is equipped with a gudgeon pin that is precision-machined for a perfect fit, ensuring smooth operation and minimal wear.

This Yamaha YA6 Piston is an excellent choice for boat owners seeking to restore their classic outboard motors or for those who require a replacement part for their existing Yamaha engine. With its meticulous design and high-quality materials, this piston offers reliable performance and long-lasting durability.

In summary, the Yamaha YA6 Piston is a top-tier component for classic Yamaha outboard motors from 1964 to 1966. Its high-quality materials, precise design, and forged steel construction ensure optimal performance, fuel efficiency, and long-lasting durability. Whether you're restoring a classic boat or maintaining an existing Yamaha engine, this piston is an essential upgrade for your outboard motor.

The Yamaha YA-6 piston is a replacement part for Yamaha outboard motors used in boats during the 1960s. Here are some potential pros and cons to consider before purchasing this part:

1. Authenticity: This piston is a genuine Yamaha replacement part, ensuring compatibility with the motor and maintaining original performance.

2. Reliability: Yamaha is a reputable brand known for its high-quality marine engines and parts.

3. Availability: This piston is specifically designed for older Yamaha motors, and purchasing it from a trusted supplier guarantees its availability.

1. Cost: Replacement parts for older models can be expensive due to their limited production and demand.

2. Complex installation: Installing a piston may require specialized knowledge and tools, potentially leading to additional labor costs.

3. Potential for additional repairs: Worn pistons can be a sign of other issues within the engine, so purchasing this part may involve addressing other repairs as well.

In conclusion, the decision to purchase the Yamaha YA-6 piston depends on the specific circumstances of your situation. If you own a vintage Yamaha boat and require a replacement part, this piston offers the benefits of authenticity, reliability, and availability. However, the cost, complex installation, and potential for additional repairs may be significant considerations.

If you are uncertain about the installation process or the overall cost, it's recommended to consult with a professional marine mechanic or outboard motor specialist to assess the situation and explore alternative solutions. In some cases, an overhaul or rebuild of the engine might be more cost-effective in the long run. Ultimately, the best decision depends on your budget, the condition of the engine, and your personal priorities.

Details:

The image to watch on YouTube. Yamaha Cruisers. Essential for engine maintenance or rebuilds, it ensures the correct specifications and reliable performance classic Yamaha motorcycles. This new OEM Yamaha piston is specifically designed for 1964-1966 YA6 model's.

Yamaha MX / ATV. Fits: Fits 1964-1966 Yamaha YA6 motorcycles. 2000 2024 Piggier Vesta Liberty Fly Typhoon Zip Battery Tray NEW OEM 577313. Spotlight: A Day Inside .

part #: 1371163161 prices

• $21.88-$43.84

specifications pistondon:

• for makes: Yamaha
• for years: 1964-1966
• mpn: 137-11631-61
• part type: Piston
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: J8 Crp1-n Buk 13

payments pistondon:

• credit card: Diners-club
• other
• wallet: Paypal

shipping pistondon:

• service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight
• transit: 4-8 Days
• type: Fixed
• carrier: USPS, FedEx
• cost: $0.00
• class: Standard, Expedited, One-day

returns pistondon:

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

offer pistondon:

• started: March 22, 2026
• quantity: 1
• best offers: True
• availability: In Stock
• sold: 0
• options: Ship-to-home

seller pistondon:

• city: Odessa, Florida
• # reviews: 217255
• rating: 99.3%

general pistondon:

• condition: New other see details
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits

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