WISECO 9057-W176692-ATV Top End KIT-1.50MM 67.50MM Atv

( Brand: Wiseco ), ( Manufacturer Part Number: 9057-W176692-ATV )

Review WISECO Top End Kit-1.50mm Oversize To 67.50mm Honda Atv fits TRX250R 1986

Introducing the WiseCo 9057-W176692-ATV Top End Kit, specifically designed for the 1986 Honda TRX250R ATV. This top end kit is an essential upgrade for any ATV enthusiast seeking optimal engine performance.

The WiseCo kit includes new pistons, rings, and cylinder liners, all meticulously engineered to enhance power output and durability. The pistons are manufactured from a high-strength forged aluminum alloy, ensuring superior heat resistance and reduced weight, while the rings are precision-machined to provide an optimal seal and minimize friction. The cylinder liners are designed to provide a perfect fit and superior wear resistance, extending the life of your engine.

The piston tops measure 1.50mm and have a bore size of 67.50mm, ensuring a perfect fit for the 1986 Honda TRX250R ATV. This top end kit is also compatible with stock or aftermarket heads, making it an ideal choice for both stock and modified ATVs.

The WiseCo 9057-W176692-ATV Top End Kit is not only designed to improve engine performance but also to enhance reliability. The new components provide a more efficient combustion process, reducing the risk of engine knocking and pinging, and reducing the likelihood of engine damage caused by excessive heat or wear.

Installation of the WiseCo top end kit is straightforward and can be completed with common hand tools. The kit includes all necessary hardware, making it a convenient and cost-effective upgrade for your 1986 Honda TRX250R ATV. With this top end kit, you can expect improved power delivery, increased horsepower, and smoother engine operation, providing a more enjoyable and exhilarating riding experience.

Wiseco 9057-W176692-ATV Top End Kit for 1986 Honda TRX250R ATV: A Detailed Analysis

The Wiseco 9057-W176692-ATV Top End Kit is a performance upgrade designed for the 1986 Honda TRX250R ATV. This kit includes a new piston, rings, and cylinder head gasket. In this analysis, we will discuss the pros and cons of purchasing this top end kit.

1. Improved Performance: The Wiseco top end kit is designed to provide better combustion efficiency and increased power output. This results in better overall performance for the ATV.

2. Durability: The Wiseco piston is made from a high-strength aluminum alloy, which makes it more durable than the stock piston. This can help extend the life of the engine.

3. Better Ring Sealing: The Wiseco kit includes new piston rings that provide better sealing, which can help reduce oil consumption and improve engine efficiency.

1. Cost: The Wiseco top end kit is more expensive than the stock kit. This can be a significant investment for some ATV owners.

2. Installation Complexity: Installing the Wiseco top end kit requires some mechanical knowledge and skills. It is not a simple bolt-on upgrade.

3. Potential Power Increase: Some ATV owners may not want or need the increased power output that comes with the Wiseco top end kit.

The Wiseco 9057-W176692-ATV Top End Kit offers several benefits, including improved performance, increased durability, and better ring sealing. However, it comes with a higher cost and installation complexity compared to the stock kit. Ultimately, the decision to purchase this kit depends on the individual ATV owner's goals, budget, and mechanical skills.

If you are an ATV enthusiast who values performance and durability, and you have the necessary mechanical skills and budget, then the Wiseco 9057-W176692-ATV Top End Kit is a worthwhile investment. However, if you are looking for a simple bolt-on upgrade or prefer to keep your ATV stock, then this kit may not be the best choice for you.

part # 9057w176692 price

• $262.99

specifications utvyank:

• for models: Trx250r
• for makes: Honda
• for years: 1986
• brand: Wiseco
• manufacturer part number: 9057-W176692-ATV

offer utvyank:

• availability: In Stock
• quantity: 3
• started: March 26, 2026
• sold: 0
• options: Ship-to-home

seller utvyank:

• rating: 99.9%
• # reviews: 81004

payments utvyank:

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

returns utvyank:

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

shipping utvyank:

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

general utvyank:

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

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• Wiseco 9103-w176784-atv Top End Kit-standard Bore 66.00mm For 1986 Honda Trx250r Atv (76.3% similar) $257.21. (December 30th, 2025)