WISECO 394M08550 Piston Kit 76-78 85.50MM

( Brand: Wiseco ), ( Manufacturer Part Number: 394M08550 ), ( Type: Forged )

Review WISECO Piston Kit 85.50mm For Yamaha It 76-78 fits STD YZ 400

The WISCO 394M08550 STD piston is a high-performance replacement piston specifically designed for Yamaha YZ 400 motorcycles manufactured between 1976 and 1978. This piston measures 85.50mm in bore size and is part of the WISCO's standard kit.

This piston is meticulously crafted using the latest technology and materials to ensure optimal engine performance. The piston skirt is designed to provide superior ring sealing and durability, while the crown is engineered for increased power and efficiency. The piston is also coated with a thermal barrier coating, which helps to reduce engine heat and prevent detonation, resulting in improved combustion and horsepower.

The WISCO 394M08550 STD piston is machined to exacting tolerances to ensure a perfect fit in your Yamaha YZ 400 engine. Each piston undergoes rigorous testing to ensure it meets the highest standards of quality and reliability.

By upgrading to the WISCO 394M08550 STD piston, you can expect improved engine performance, increased horsepower, and enhanced durability. This piston is an excellent choice for riders who demand the best from their motorcycle and want to get the most out of their engine.

In summary, the WISCO 394M08550 STD piston is a high-quality, performance-enhancing upgrade for Yamaha YZ 400 motorcycles manufactured between 1976 and 1978. Its advanced design features, superior materials, and meticulous machining make it an ideal choice for riders who are serious about getting the most out of their motorcycle's engine.

Wiseco 394M08550 STD Piston Kit for Yamaha YZ 400 (76-78) - A Comprehensive Analysis

The Wiseco 394M08550 STD piston kit is designed specifically for the Yamaha YZ 400 motorcycles manufactured between 1976 and 1978 with an 85.50mm bore size. In this analysis, we will discuss the potential advantages and disadvantages of using this piston kit for your Yamaha YZ 400 to help you make an informed decision.

1. Enhanced Performance: The Wiseco piston kit is designed to provide increased power and torque, resulting in better overall engine performance.

2. Durability: Wiseco pistons are known for their high-quality materials and manufacturing processes, resulting in pistons that can withstand the rigors of high-performance riding.

3. Improved Compression: The piston kit offers improved compression ratios, leading to better fuel efficiency and increased power output.

4. Customization: Wiseco offers a range of piston designs and sizes, allowing riders to customize their engines to suit their specific riding style and preferences.

5. Compatibility: This piston kit is specifically designed for the Yamaha YZ 400 motorcycles with an 85.50mm bore size, ensuring perfect fitment and compatibility.

1. Cost: Wiseco pistons can be more expensive than OEM options, which may be a consideration for some riders.

2. Installation: Installing a piston kit requires a significant amount of mechanical expertise and specialized tools, making it a more involved process than installing a simple performance part.

3. Break-in Period: After installation, the engine will require a break-in period to ensure the piston and rings seat properly, which may impact your riding time.

The Wiseco 394M08550 STD piston kit offers several advantages, including improved performance, durability, and customization, making it an attractive option for Yamaha YZ 400 riders looking to enhance their engine's capabilities. However, the cost, installation complexity, and break-in period may be considerations for some riders. Ultimately, the decision to purchase this piston kit depends on your budget, mechanical expertise, and riding goals.

If you are an experienced rider with a good understanding of motorcycle mechanics and a budget for high-performance parts, the Wiseco 394M08550 STD piston kit for your Yamaha YZ 400 could be an excellent investment for increased power, durability, and customization. However, if you are a beginner or have limited mechanical expertise, you may want to consider other, less complex performance upgrades or seeking professional assistance for the piston kit installation.

Details:

WARNING: Wiseco pistons can be fitted only with rings. Wiseco forged pistons are priced with rings and cir clips. Built on a legacy of championships for over 60 years by American craftsmen. All Wiseco pistons are forged from aerospace aluminum alloys on Wiseco state-of-the-art forging presses.

Wiseco, Piston Assembly, Type: Forged, Style: Stroke: 70.00mm, Displacement: 400cc, Note: 0.50mm over standard bore, Packaging: Each, Material: Aluminum, Bore: 85.50mm, Sold as: Each. Any damage claims may be exchanged for the identical item only. Wiseco pistons have the latest Dino-tested technology to out-perform competition.

part #: 394m08550 prices

• $188.99-$199.99

specifications pistondon:

• for models: Std, Yz, 400
• for makes: Yamaha
• brand: Wiseco
• mpn: 394m08550
• type: Forged

general pistondon:

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

offer pistondon:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: March 17, 2025

payments pistondon:

• other
• credit card: Discover
• wallet: Paypal

seller pistondon:

• # reviews: 564814
• rating: 98.8%
• city: Loudon, Tennessee

shipping pistondon:

• transit: 4-10 Days
• class: Economy, Standard, Expedited
• cost: $0.00
• type: Fixed
• service: Economy, Standard, Expedited

returns pistondon:

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

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