WISECO 185P6 Piston Bike 1.50MM

( Brand: Wiseco ), ( Manufacturer Part Number: 185P6 ), ( Engine Type: 2-stroke ), ( Type: Piston ), ( Machine Type: Dual Sport Motorcycle ), ( Items Included: Piston Rings, Clips ), ( Cylinder Bore Diameter: 57.5mm ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: Japan ), ( Performance Part: No )

Review WISECO Yamaha Dirt Bike 1.50mm Oversize New Piston fits AT1 AT-1 125 1969–1971

Introducing the WISCO 185P6 piston, a high-performance upgrade for your classic Yamaha AT1 125 motorcycle model years 1969-1971. This piston, specifically designed for the AT-1 engine, boasts several impressive features that ensure optimal engine performance and reliability.

The WISCO 185P6 piston is manufactured using a forged aluminum alloy construction. This technique not only ensures a strong and durable piston but also ensures a perfect fit and reliability. The piston's ring grooves are precision machined to ensure a perfect seal, preventing any combustion gases from escaping.

One of the standout features of this piston is its oversize piston pin diameter of 1.50mm. This increase in size enhances the piston's rigidity, resulting in reduced engine vibrations, increased power output, and improved engine efficiency. The piston also features a low compression height, which allows for a greater combustion chamber volume and improved engine breathing.

The WISCO 185P6 piston also includes a skirt coating that reduces friction between the piston and cylinder wall, resulting in a smoother engine operation and reduced engine wear. The piston also features a crown design that enhances the engine's power output and improves combustion efficiency.

This piston is designed to be a direct replacement for the stock piston, making the installation process straightforward and hassle-free. The piston comes complete with a new ring set, making this an easy and cost-effective upgrade for your classic Yamaha AT1 125 motorcycle.

In conclusion, the WISCO 185P6 piston is an excellent upgrade for your classic Yamaha AT1 125 motorcycle. Its forged aluminum alloy construction, oversize piston pin diameter, low compression height, and skirt coating make it a durable, reliable, and high-performance component that will enhance your motorcycle's engine performance and efficiency.

Wiseco 185P6 Piston for Yamaha AT1 AT-1 125 (1969-1971): A Detailed Analysis

The Wiseco 185P6 piston is a popular aftermarket upgrade for the Yamaha AT1 AT-1 125 motorcycles manufactured between 1969 and 1971. This piston is known for its high-performance characteristics, but like any modification, it comes with its advantages and disadvantages. In this analysis, we will discuss the pros and cons of installing this piston in your Yamaha AT1 AT-1 125.

1. Increased Power: The Wiseco 185P6 piston is designed to provide increased power and torque. This is due to its lighter weight and stronger design, which allows the engine to rev more freely.

2. Improved Engine Response: With the lighter piston, the engine responds more quickly to throttle inputs, resulting in improved acceleration and overall performance.

3. Enhanced Durability: The Wiseco piston is made from high-quality materials and is designed to withstand the rigors of high-performance riding. This means that it can handle more power and stress than the stock piston, potentially extending the life of the engine.

4. Customization: Installing a Wiseco piston is a great way to customize your Yamaha AT1 AT-1 125 and set it apart from other motorcycles.

1. Cost: The Wiseco 185P6 piston is more expensive than the stock piston. This is due to the high-quality materials and advanced design, which can be a significant investment for some riders.

2. Installation Complexity: Installing the Wiseco piston requires a fair amount of mechanical expertise. It is not a simple bolt-on upgrade and may require the services of a professional mechanic.

3. Potential Engine Modifications: To fully realize the benefits of the Wiseco piston, some riders may need to make additional modifications to their engine, such as installing a high-performance camshaft or carburetor. This can add to the overall cost and complexity of the project.

4. Risk of Engine Damage: Installing a high-performance piston like the Wiseco 185P6 can increase the risk of engine damage if not installed correctly or if the engine is not properly tuned.

The Wiseco 185P6 piston offers significant performance benefits for the Yamaha AT1 AT-1 125, including increased power, improved engine response, enhanced durability, and the ability to customize your motorcycle. However, it also comes with some drawbacks, such as the cost, installation complexity, potential engine modifications, and increased risk of engine damage.

If you are looking for a high-performance upgrade for your Yamaha AT1 AT-1 125 and have the mechanical expertise and budget to install it, the Wiseco 185P6 piston is an excellent choice. However, if you are not comfortable with the installation process or the additional costs and risks, it may be worth considering other, less complex modifications or waiting until you have more experience and resources. Ultimately, the decision to install a Wiseco piston should be based on your personal goals, budget, and mechanical abilities.

Details:

Looked the piston up in my old parts book and found following information, Yamaha 125cc AT-1 The part number for this is 185P6. This is 1.50mm oversize 57.5mm piston kit and this consists of piston, ring already installed clips. This listing is for a NEW Wiseco brand piston kit Yamaha AT1 125cc.

part #: 185p6 prices

• $38.99-$49.95

specifications pistondon:

• for models: At1, At-1, 125
• for makes: Yamaha
• for years: 1969-1971
• brand: Wiseco
• mpn: 185p6
• engine type: 2-stroke
• type: Piston
• machine type: Dual Sport Motorcycle
• items included: Piston Rings, Clips
• cylinder bore diameter: 57.5mm
• vintage part: Yes
• country/region of manufacture: Japan
• performance part: No

payments pistondon:

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

seller pistondon:

• city: Aitkin, Minnesota
• rating: 99.3%
• # reviews: 14341

returns pistondon:

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

shipping pistondon:

• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• type: Fixed
• transit: 3-6 Days
• cost: $0.00

offer pistondon:

• availability: In Stock
• started: April 27, 2025
• quantity: 1
• sold: 0
• options: Ship-to-home

general pistondon:

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

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