YAMAHA 811-11631-00-96 Gp Piston 64.5MM

( Part Type: Piston ), ( UPC: 811116310096 )

Review YAMAHA Gp Piston 64.5mm fits GP396 396 1971

Yamaha GP396 GP 396 Piston - 64.5mm (1971, Part No. 811-11631-00-96)

The Yamaha GP396 GP 396 Piston, with a part number 811-11631-00-96, is an essential component for the restoration or refurbishment of 1971 Yamaha GP396 watercraft engines. This piston is specifically designed to deliver superior performance, reliability, and durability for those seeking an authentic, high-performance boating experience.

This 64.5mm piston is meticulously engineered to meet the stringent requirements of the GP396 engine. Its precise dimensions and exceptional materials ensure a perfect fit and optimal engine function. The piston features a forged construction, which provides unparalleled strength and resistance to wear and tear.

The piston's top ring groove is designed to accommodate a single-compression ring setup, while the skirt is engineered for a snug fit within the engine's cylinder sleeve. This ensures efficient combustion and minimal power loss. The piston's design allows for excellent heat dissipation, reducing the risk of engine overheating and maintaining optimal operating temperatures.

This piston is not only a crucial performance component but also a critical safety element. Its robust design ensures that it can withstand the extreme pressures generated within the engine, providing peace of mind for those who rely on their watercraft for thrilling adventures or essential transportation.

The Yamaha GP396 GP 396 Piston is a must-have for enthusiasts, collectors, or those who value the classic style and performance of the iconic GP396 watercraft. Its high-quality materials and precise engineering make it an investment in both performance and longevity for your Yamaha watercraft engine.

Pros and Cons of Buying a Yamaha GP396 1971 GP 396 Piston (64.5mm)

The Yamaha GP396 piston is a popular choice among motorcycle enthusiasts, especially those who own or restore vintage Yamaha GP bikes. Here are some potential advantages and disadvantages of purchasing this piston.

1. Authenticity: This piston is an original part for the Yamaha GP396, ensuring that it fits perfectly and functions as intended in the original engine.

2. Quality: Yamaha is renowned for producing high-quality parts, and this piston is no exception. The forged construction ensures durability and strength.

3. Performance: The GP396 piston is designed to deliver optimal performance for the GP396 engine, providing excellent power output and efficiency.

4. Restoration: For those restoring a vintage GP396, using an original piston can add authenticity and value to the restoration project.

5. Availability: While vintage motorcycle parts can be hard to find, original Yamaha parts like this piston are often available from reputable dealers and online marketplaces.

1. Cost: Original Yamaha parts like this piston can be quite expensive compared to aftermarket alternatives.

2. Wear and Tear: If the piston is being used in a restored or vintage motorcycle, it may have some wear and tear that could require additional work or replacement sooner than expected.

3. Limited Use: This piston is specifically designed for the Yamaha GP396 engine and cannot be used in other motorcycle applications.

4. Shipping and Handling: As with any online purchase, there is a risk of damage during shipping and handling, which could result in additional costs and delays.

The Yamaha GP396 1971 GP 396 Piston (64.5mm) is a high-quality, authentic part designed for optimal performance in the GP396 engine. While it comes with a higher price tag than aftermarket alternatives, it offers the benefits of perfect fitment, durability, and added value for vintage restoration projects. However, potential buyers should be aware of the risk of wear and tear, limited use, and potential shipping and handling issues. Ultimately, the decision to purchase this piston depends on the individual's priorities, budget, and motorcycle project goals.

If you are restoring a Yamaha GP396 or simply want an authentic, high-performance piston for your vintage bike, the Yamaha GP396 1971 GP 396 Piston (64.5mm) is a worthwhile investment. However, if you are on a tight budget or plan to use the piston in a different engine application, you may want to consider aftermarket alternatives or used parts from reputable sources.

Details:

We primarily use USPS and UPS as our shipping companies. 1971 YAMAHA GP396 GP 396 PISTON 64.5MM: 64.5. MAY ALSO FIT: 1971.

part #: 811116310096 prices

• $15.27-$20.00

specifications enginesnowmobile:

• for models: Gp396, 396
• for makes: Yamaha
• for years: 1971
• part type: Piston
• upc: 811116310096

shipping enginesnowmobile:

• carrier: USPS
• class: Standard
• transit: 2-5 Days
• cost: $8.50
• service: USPS Ground Advantage
• type: Fixed

general enginesnowmobile:

• condition: Used
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

offer enginesnowmobile:

• sold: 0
• availability: In Stock
• started: December 10, 2025
• options: Ship-to-home
• quantity: 1

returns enginesnowmobile:

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

payments enginesnowmobile:

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

seller enginesnowmobile:

• city: Spokane, Washington
• rating: 99.8%
• # reviews: 104588

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