1. Personal Watercraft Engines, Impellers & Components Parts
  2. sku: 7465472803938563
  3. TITAN PERFORMANCE YA66V-PK5

YA66V-PK5 TITAN 757 PERFORMANCE Dual Piston Gp Kit Xlt Yamaha

fits model: Xlt, 800. make: Yamaha.

YA66V-PK5 TITAN 757 PERFORMANCE Dual Piston Gp Kit Xlt Yamaha
Product Aspects
BrandTITAN 757 PERFORMANCE
Manufacturer Part NumberYA66V-PK5
Part TypePISTON
Custom BundleYES
Oem Part Number66E-11631-01-A0
UPC680034326187

Review TITAN 757 PERFORMANCE Dual Piston Kit For Yamaha Gp Xl .50mm Over 80.4mm for YAMAHA XLT 800

Titan 757 Performance Ya66v-PK5 Dual Piston Kit for Yamaha GP XL XLT 800, 800R (50mm x 80.4mm)

Description:

Upgrade your Yamaha GP XL XLT 800, 800R with the Titan 757 Performance Ya66v-PK5 Dual Piston Kit. This high-performance piston kit is meticulously engineered to deliver enhanced power, torque, and overall engine efficiency.

The Ya66v-PK5 kit consists of two precision-machined, forged pistons. The pistons feature a 50mm bore and an 80.4mm stroke, providing excellent power and torque output. These pistons are designed with a state-of-the-art combustion chamber shape, optimized for efficient fuel consumption and reliable ignition.

The pistons are crafted from Titan's proprietary alloy, ensuring superior strength and durability. The piston skirts are specifically designed to minimize friction and maximize power transfer. The piston crowns are optimized for efficient combustion, ensuring smooth power delivery.

The Ya66v-PK5 kit also includes a set of high-performance piston rings. These rings are designed to provide a perfect seal between the piston and the cylinder wall, minimizing blow-by and maximizing combustion efficiency. The rings are made from a heat-resistant material, ensuring they can withstand the extreme temperatures generated by the engine.

The Ya66v-PK5 kit is designed for easy installation. The pistons come pre-gapped, ensuring a perfect fit with the connecting rods and crankshaft. The kit also includes new piston pins and wrist pins, ensuring a smooth and reliable connection between the pistons and the connecting rods.

The Titan 757 Performance Ya66v-PK5 Dual Piston Kit is the perfect upgrade for your Yamaha GP XL XLT 800, 800R. It delivers enhanced power, torque, and efficiency, providing a significant improvement in overall engine performance. Whether you're looking to race or just want to take your watercraft to the next level, this piston kit is an excellent investment.

With the Ya66v-PK5 kit, you can expect improved acceleration, increased top-end speed, and smoother power delivery. The kit is backed by Titan's industry-leading warranty, ensuring peace of mind and long-lasting performance.

Upgrade your Yamaha GP XL XLT 800, 800R with the Titan 757 Performance Ya66v-PK5 Dual Piston Kit and experience the difference for yourself.

Pros and Cons of buying a Titan 757 Performance Ya66v-pk5 Dual Piston Kit for Yamaha GP XL/XLT 800, 800R (50mm x 80.4mm)

1. Pros:

a. Increased Performance: The dual piston kit can help increase the engine's power output, leading to better acceleration and top speed.

b. Improved Engine Efficiency: The upgraded pistons and rings can help reduce engine friction and improve combustion efficiency.

c. Enhanced Durability: The high-quality materials used in the piston kit can help improve the engine's durability and longevity.

2. Cons:

a. Cost: The Titan 757 Performance Ya66v-pk5 Dual Piston Kit can be quite expensive compared to stock pistons.

b. Installation Complexity: Installing the new pistons and rings can be a complex process that requires specialized tools and expertise.

c. Potential Power Loss: In some cases, upgrading the pistons without addressing other engine components, like the carburetor or exhaust, may result in power loss instead of gains.

Ending Conclusion:

The Titan 757 Performance Ya66v-pk5 Dual Piston Kit for Yamaha GP XL/XLT 800, 800R (50mm x 80.4mm) is an excellent investment for those looking to significantly enhance the performance and durability of their watercraft engine. However, it comes with a hefty price tag and a complex installation process. Furthermore, it's essential to ensure that other engine components are also upgraded to maximize power gains and minimize potential power loss.

Recommendation:

If you're serious about improving your Yamaha GP XL/XLT 800, 800R's performance and durability, the Titan 757 Performance Ya66v-pk5 Dual Piston Kit is an excellent choice. Make sure to have the necessary tools, expertise, or professional assistance for the installation process to ensure proper fitment and optimal engine performance. Additionally, consider addressing other engine components to maximize the potential power gains and minimize power loss.

Details:

Exact item pictured. Anodized top surface for better strength and heat resistance. Fits: Yamaha. Oe quality aftermarket replacement.

Size: .50mm over. Aftermarket cast pistons. Nonabrasive graphite coating reduces heat and friction for break in extends piston life. Dual piston kit for Yamaha gp xl Xlt 800 800R .50mm over / 80.4mm fast free shipping satisfaction guaranteed 80.4mm: dual piston kit for Yamaha PVC.

High strength hardened aluminum. Includes: 2 pistons .50mm over. Includes 2 piston kits.

specifications watercraftimp:

  • for models: Xlt, 800
  • for makes: Yamaha
  • brand: Titan 757 Performance
  • mpn: Ya66v-pk5
  • part type: Piston
  • custom bundle: Yes
  • oem part number: 66e-11631-01-a0
  • upc: 680034326187

general watercraftimp:

  • category: Watercraft Parts > Engines > Impellers Components

returns watercraftimp:

  • paid by: seller
  • time: 60 days
  • policy: returns accepted

shipping watercraftimp:

  • type: fixed
  • transit: 2-6 days
  • class: expedited
  • carrier: fedex
  • service: fedex 2day one rate pak

offer watercraftimp:

  • options: ship-to-home
  • sold #: 17
  • availability: in stock
  • prices: $62.29–$138.95
  • item condition: New
  • started: september 2, 2025

seller watercraftimp:

  • city: yorktown, virginia
  • rating: 99.3%
  • # reviews: 141706

payments watercraftimp:

  • wallet: google-pay
  • credit card: diners-club
  • other
rating: 99.3% out of 100 based on 706 user ratings.
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