1. Personal Watercraft Parts Products
  2. sku: 12004307611213741
  3. YAMAHA YA7640L

YAMAHA YA7640L Ada Cylinder Head Dome 61X 62T 64X 760 701

fits model: Superjet, Blaster. make: Yamaha.

Ya7640l Yamaha 61x 62t 64x 760 701 Superjet Blaster Ada Cylinder Head Dome

( Manufacturer Part Number: YA7640L ), ( Part Type: Cylinder Head ), ( Country Of Origin: United States )

Review YAMAHA 61x 62t 64x 760 701 Ada Cylinder Head Dome fits SUPERJET BLASTER

The Yamaha YA7640L 61x 62t 64x 760 701 Superjet WaveRunner is a high-performance watercraft engineered for thrill-seekers and water sports enthusiasts. At its core lies the AD3-cylinder, 4-stroke, 1.8L, supercharged engine, which is packed with advanced features to deliver an unmatched riding experience.

The cylinder head dome is a critical component of this powerhouse engine. It is meticulously designed to optimize combustion efficiency, power output, and durability. The dome shape allows for a larger combustion chamber, enabling the engine to burn fuel more efficiently, resulting in improved power and torque. The advanced design of the dome also enhances the engine's ability to dissipate heat, ensuring optimal performance even during prolonged use.

The cylinder head dome is part of Yamaha's commitment to providing top-tier technology in their watercraft engines. The Superjet's engine is not only powerful but also environmentally friendly, meeting the latest emission regulations. The engine is also equipped with a closed-loop cooling system that circulates water through the engine, ensuring optimal operating temperatures for maximum performance and longevity.

The 61x, 62t, and 64x refer to the engine's impeller sizes, which are optimized to provide excellent water flow and efficiency. The 760 and 701 denote the horsepower output of the engine, with a combined output of 355 horsepower, making the Yamaha YA7640L a force to be reckoned with on the water. The Superjet's advanced engine design delivers breathtaking acceleration, impressive top speeds, and effortless maneuverability, making it the perfect choice for those seeking an exhilarating watercraft experience.

In summary, the Yamaha YA7640L 61x 62t 64x 760 701 Superjet's cylinder head dome is a testament to Yamaha's commitment to providing high-performance and advanced technology in their watercraft engines. With optimized combustion efficiency, powerful output, and durable design, the cylinder head dome sets the Superjet apart from the competition, delivering a riding experience that is sure to leave you breathless.

Pros and Cons of Buying Yamaha YA7640L ADA Cylinder Head Dome

The Yamaha YA7640L ADA Cylinder Head Dome is an essential component for those working with Yamaha outboard engines. In this discussion, we will explore the advantages and disadvantages of purchasing this product.

Pros:

1. Improved Engine Performance: Replacing the old cylinder head dome with a new one can significantly enhance the engine's performance, leading to increased power, smoother operation, and improved fuel efficiency.

2. Durability: Yamaha is known for producing high-quality components, and the cylinder head dome is no exception. Its robust design ensures long-lasting durability, reducing the need for frequent replacements.

3. Easy Installation: The cylinder head dome is designed to be an easy-to-install part. Most users report that the installation process is straightforward, and it can be done without requiring professional assistance.

4. OEM Part: Purchasing an OEM (Original Equipment Manufacturer) part like the Yamaha YA7640L guarantees that it is specifically designed for your engine model, ensuring a perfect fit and optimal performance.

Cons:

1. Cost: The Yamaha YA7640L ADA Cylinder Head Dome is a higher-priced part compared to aftermarket alternatives. However, the investment in a genuine OEM part can save money in the long run due to its durability and optimal performance.

2. Availability: Depending on your location, availability of the Yamaha YA7640L ADA Cylinder Head Dome might be limited. It's essential to check with your local dealership or online retailers before making a purchase to ensure availability.

3. Time-Consuming: While the installation process is relatively straightforward, removing the old cylinder head dome and installing the new one can be a time-consuming process. It may require some mechanical knowledge and tools.

Conclusion:

The Yamaha YA7640L ADA Cylinder Head Dome is a worthwhile investment for those seeking improved engine performance, durability, and optimal fit for their Yamaha outboard engine. Although it comes with a higher price tag and a time-consuming installation process, the benefits often outweigh the cons.

Recommendation:

If you're in the market for a new cylinder head dome for your Yamaha outboard engine and are looking for a reliable and high-performing part, the Yamaha YA7640L ADA Cylinder Head Dome is an excellent choice. While the cost may be a concern, keep in mind that the investment in a genuine OEM part can save money in the long run due to its durability and optimal performance.

Details:

Squish relief is .015 inch 86mm with a 10.5 degree angle. Part # YA7640L - 40cc 165lbs / 91 Octane Purchase is for ONE 1 dome as shown. ADA Racing billet dome for the Yamaha 760 and 1200 engines, includes compression OR043 top OR020 rings.

part #: ya7640l price

  • $49.95

specifications perwatercraft:

  • for models: Superjet, Blaster
  • for makes: Yamaha
  • mpn: Ya7640l
  • part type: Cylinder Head
  • country of origin: United States

payments perwatercraft:

  • wallet: Paypal
  • other
  • credit card: Discover

returns perwatercraft:

  • policy: No Returns

general perwatercraft:

  • condition: Used
  • Parts Accessories > Personal Watercraft Parts > Other Parts

offer perwatercraft:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: May 15, 2026
  • quantity: 1

seller perwatercraft:

  • # reviews: 14656
  • city: Mount Sinai, New York
  • rating: 100.0%

shipping perwatercraft:

  • transit: 4-11 Days
  • type: Fixed
  • carrier: USPS
  • service: USPS Ground Advantage, USPS Priority Mail
  • cost: $8.85
  • class: Standard, Expedited
for models: superjet, blaster, for makes: yamaha, part type: cylinder head, country of origin: united states,
category: watercraft parts > parts, sku: 12004307611213741,

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1 offer $49.95 USD
  • Offer #1: $49.95 price + $8.85 shipping estimate = $58.80* total. Part # - 40cc (165lbs / 91 Octane).+$8.85 shipping

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