1. Pistons, Rings & Piston Kits Products
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  3. WISECO 394M08650

WISECO 394M08650 Piston Kit 86.50

fits make: Yamaha.

394m08650 Wiseco Piston Kit - 86.50 Mm Yamaha

( Brand: Wiseco ), ( Manufacturer Part Number: 394M08650 ), ( Part Type: Piston )

Review WISECO Piston Kit 86.50mm Yamaha

The WISCO 394M08650 piston kit is an excellent choice for those seeking top-tier performance and reliability for their Yamaha engine. This piston kit is specifically designed to fit Yamaha engines with an 86.50 cc displacement, making it a perfect match for various models from the brand.

Each piston in this kit is meticulously crafted using high-quality forged aluminum alloy. This material ensures superior strength and durability compared to cast pistons, allowing the engine to withstand the rigors of heavy use and high RPMs. The pistons also feature a state-of-the-art ring package, including a compression ring, oil control ring, and skirt oil scraper ring. These rings are engineered to minimize friction, optimize combustion, and maximize engine efficiency.

One of the standout features of the WISCO 394M08650 piston kit is its precision machining. Each piston undergoes rigorous machining processes to ensure that they are perfectly round and true to size. This ensures a snug fit in the engine cylinder, minimizing the potential for engine damage due to piston slap or other issues. The pistons also feature a honed skirt finish, which allows for optimal oil flow and lubrication.

Another essential aspect of this piston kit is its compatibility with various engine modifications and upgrades. Whether you're looking to increase horsepower, boost torque, or improve fuel efficiency, the WISCO 394M08650 piston kit can help you achieve your goals. Its high-performance design makes it an excellent choice for racers, enthusiasts, and anyone looking to get the most out of their Yamaha engine.

In summary, the WISCO 394M08650 piston kit is a top-of-the-line solution for those seeking superior performance and reliability for their Yamaha engine. Its high-quality forged aluminum pistons, precision machining, and compatibility with various engine modifications make it a must-have for racers, enthusiasts, and anyone looking to get the most out of their Yamaha engine.

Wiseco 394M08650 Piston Kit for Yamaha: A Detailed Analysis

The Wiseco 394M08650 piston kit is a popular aftermarket option for Yamaha engines. This piston kit comes with several advantages and disadvantages that are essential to consider before making a purchase.

Advantages:

1. Enhanced Performance: The Wiseco piston kit is designed to provide improved performance by reducing weight and increasing strength compared to OEM pistons. This results in better combustion efficiency, increased horsepower, and improved engine response.

2. High-Quality Material: The pistons are made from forged aluminum alloy, which ensures superior strength and durability. This material is ideal for high-performance applications, as it can withstand the increased pressures and temperatures that come with upgraded engines.

3. Customizable: The Wiseco piston kit is available in various sizes and designs to cater to different engine configurations and power goals. This allows users to tailor their engine build to their specific needs and preferences.

4. Improved Compatibility: The pistons are precisely engineered to fit Yamaha engines, ensuring a perfect fit and minimizing the need for modifications or adapters.

Disadvantages:

1. Cost: The Wiseco piston kit is more expensive than OEM pistons. This may be a significant deterrent for budget-conscious buyers or those who are just starting their engine build.

2. Installation Complexity: Installing aftermarket pistons requires a high level of skill and experience. This can result in a time-consuming and expensive process, especially for those who lack the necessary knowledge or tools.

3. Warranty: Aftermarket pistons typically do not come with the same level of warranty coverage as OEM parts. This can be a concern for those who want peace of mind when investing in performance upgrades.

Conclusion:

The Wiseco 394M08650 piston kit for Yamaha engines offers several advantages, including enhanced performance, high-quality materials, customizability, and improved compatibility. However, it also comes with some disadvantages, such as a higher cost, installation complexity, and limited warranty coverage.

If you are a serious performance enthusiast looking to maximize the potential of your Yamaha engine, the Wiseco piston kit may be an excellent investment. However, if you are on a tight budget or lack the necessary skills and experience for installation, you may want to consider other options. Ultimately, the decision to purchase the Wiseco piston kit depends on your individual goals, resources, and expertise.

Recommendation:

If you are committed to improving the performance of your Yamaha engine and have the necessary skills, resources, and budget, the Wiseco 394M08650 piston kit is an excellent choice. It offers superior strength, durability, and customization options that can help you unlock the full potential of your engine. However, if you are unsure about your abilities or resources, it may be wise to consult with a professional mechanic or engine builder before making a purchase. Alternatively, you may want to explore other, more budget-friendly upgrades or consider purchasing an OEM piston kit instead.

Details:

Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston model's years both trail racing applications, Kit includes piston, rings, cir clips wrist pin.

part #: 394m08650 prices

  • $201.99-$232.95

specifications pistondon:

  • for makes: Yamaha
  • brand: Wiseco
  • mpn: 394m08650
  • part type: Piston

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New

returns pistondon:

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

offer pistondon:

  • quantity: 5
  • availability: In Stock
  • options: Ship-to-home
  • started: April 30, 2025
  • sold: 0

shipping pistondon:

  • type: Fixed
  • carrier: FedEx
  • cost: $0.00
  • transit: 2-5 Days
  • class: Standard
  • service: FedEx Ground or FedEx Home Delivery

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  • other
  • wallet: Apple-pay

seller pistondon:

  • city: Ashley, Indiana
  • # reviews: 901
  • rating: 100.0%
for makes: yamaha, part type: piston,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 6149939714380721,

Wiseco 394M08650 Is Similar To:

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5 offers $201.99–$232.95 USD
  • Offer #1: $201.99 price + $0.00 shipping estimate = $201.99* total.FREE SHIPPING
  • Offer #2: $214.99 price + $0.00 shipping estimate = $214.99* total. When blow-by starts to increase on other pistons and power starts to fade, Wiseco Race Series parts continue sealing and performing. They carry a full line of applications for just about any 2 or 4-stroke engine you can think of.FREE SHIPPING
  • Offer #3: $232.95 price + $0.00 shipping estimate = $232.95* total. Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Kit includes piston, rings, circlips and wrist pin.FREE SHIPPING
  • Offer #4: $213.70 price + $0.00 shipping estimate = $213.70* total. 1976 Yamaha YZ400. Wiseco Piston Kit 1.50mm Oversize to 86.50mm.FREE SHIPPING
  • Offer #5: $175.85 price + $0.00 shipping estimate = $175.85* total. Top teams have been winning with Wiseco for over 75 years. Yamaha IT400 1977 - 1978.FREE SHIPPING

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