1. USED Engine Parts Deals
  2. sku: 12836128387742891
  3. WISECO 8785-W176148-ATV

WISECO 8785-W176148-ATV Piston Kit Comp 100.00MM 9.9

fits model: Yfm660f, Std. make: Yamaha. year: 2002–2008.

8785-w176148-atv Wiseco Piston Kit-std Bore 100.00mm 9.9 1 Comp For 2002-2008 Yamaha Yfm660f

( Brand: Wiseco ), ( Part Type: Piston ), ( Manufacturer Part Number: 8785-W176148-ATV )

Review WISECO Piston Kit std Bore 100.00mm 9.9 Comp Yamaha fits YFM660F STD 2002–2008

Introducing the WiseCO 8785-W176148-ATV piston kit, specifically designed for the Yamaha YFM660F ATV models from 2002 to 2008. This premium piston kit is an excellent upgrade for your vehicle, ensuring superior performance and durability.

The kit consists of high-quality standard pistons, each with a 100.00mm bore and a 9.9 compression ratio. Designed using advanced engineering techniques and top-grade materials, these pistons provide enhanced combustion efficiency and increased power output. They are precision-machined to ensure a perfect fit and function in your engine.

The two-piece piston design includes a forged aluminum piston crown and a cast aluminum piston skirt. This construction offers exceptional strength and durability, allowing the pistons to withstand the rigors of off-road riding. The piston skirt features a unique design that minimizes friction and reduces wear on the cylinder bore.

The WiseCO piston kit is also engineered for optimal cooling. The piston crowns feature optimally placed cooling fins that enhance heat dissipation, ensuring consistent engine performance and longevity.

Additionally, this piston kit includes new piston rings, ensuring a proper seal between the piston and cylinder bore. The rings are made from high-quality materials and are designed to minimize friction and maximize ring life.

Installing this piston kit is a straightforward process, and it comes with detailed instructions to make the job easier. The pistons are designed to work seamlessly with your existing engine components, allowing for a hassle-free upgrade.

In summary, the WiseCO 8785-W176148-ATV piston kit is an excellent choice for Yamaha YFM660F ATV owners looking to boost their engine's performance and durability. With its high-quality materials, advanced design, and easy installation, this piston kit is sure to provide years of reliable service on the trail.

Wiseco 8785-W176148-ATV Piston Kit for 2002-2008 Yamaha YFM660F: Pros, Cons, and Conclusion

The Wiseco 8785-W176148-ATV Piston Kit is a popular upgrade for the 2002-2008 Yamaha YFM660F ATV. In this analysis, we'll discuss the advantages and disadvantages of purchasing this piston kit.

Pros:

1. Enhanced Performance: The Wiseco piston kit is designed to provide increased power and torque, which can improve the overall performance of your ATV.

2. High-Quality Materials: Wiseco is known for its high-quality pistons, which are made from forged aluminum. This material offers superior strength and durability.

3. Improved Compression: The piston kit includes a higher compression ratio, which can result in better fuel efficiency and increased power output.

4. Racing Heritage: Wiseco has a long history of supplying pistons to the racing industry, and this kit is based on the same technology used in professional racing applications.

Cons:

1. Cost: The Wiseco piston kit is more expensive than OEM (Original Equipment Manufacturer) pistons. This may be a consideration for budget-conscious consumers.

2. Installation Complexity: Installing the Wiseco piston kit requires a certain level of mechanical expertise. It may be more challenging than installing an OEM piston kit.

3. Potential Power Increase: The increased power output may require additional modifications to the ATV, such as a new exhaust system or fuel system, to fully realize the potential gains.

Conclusion:

In conclusion, the Wiseco 8785-W176148-ATV Piston Kit offers several advantages, including enhanced performance, high-quality materials, improved compression, and a racing heritage. However, it also comes with some drawbacks, such as a higher cost, installation complexity, and potential power increase requirements.

For those who prioritize improved performance and are willing to invest in high-quality components, the Wiseco piston kit could be an excellent choice. However, if you're on a tight budget or not comfortable with the installation process, an OEM piston kit may be a more suitable option. Ultimately, the decision depends on your specific needs, preferences, and budget.

part # 8785w176148 price

  • $209.99

specifications atvsienna:

  • for models: Yfm660f, Std
  • for makes: Yamaha
  • for years: 2002-2008
  • brand: Wiseco
  • part type: Piston
  • manufacturer part number: 8785-W176148-ATV

seller atvsienna:

  • rating: 99.8%
  • # reviews: 81632

general atvsienna:

  • ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
  • condition: New

offer atvsienna:

  • quantity: 3
  • started: April 1, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

shipping atvsienna:

  • cost: $0.00
  • service: Standard
  • class: Standard
  • transit: 2-6 Days
  • type: Fixed

returns atvsienna:

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

payments atvsienna:

  • wallet: Apple-pay
  • other
  • credit card: Diners-club
for models: yfm660f, std, for makes: yamaha, for years: 2002-2008, part type: piston,
category: atv parts > atv, side-by-side utv parts accessories > engines engine parts > engine parts, sku: 12836128387742891,

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1 offer $209.99 USD
  • Offer #1: $209.99 price + free delivery = $209.99* total. 2002 - 2008 Yamaha YFM660F Grizzly 4x4 Wiseco Piston Kit-Std Bore 100.00mm, 9.9:1 Comp for 2002-2008 Yamaha YFM660F Grizzly 4x4 ATV.FREE SHIPPING