WISECO ORWI-CO419955-ON Piston Bike 56MM

( Brand: Wiseco ), ( Manufacturer Part Number: ORWI-CO419955-ON ), ( Part Type: Piston )

Review WISECO Yamaha Dirt Bike Piston 56mm fits MX125 1980–1986

Introducing the WiseCo ORWI-CO419955-ON 56mm piston, specifically designed for Yamaha MX125 bikes manufactured between 1980 and 1986. This high-performance piston is an excellent upgrade for riders seeking enhanced power and durability for their vintage off-road motorcycle.

The WiseCo piston is meticulously crafted from forged aluminum alloy, ensuring a strong and lightweight construction. Its 56mm bore size is optimized for the Yamaha MX125's engine, allowing for improved combustion efficiency and increased power output.

The piston's top ring groove is designed to accommodate a compression ring, a power ring, and an oil control ring for better sealing and engine performance. The skirt of the piston features a machine finish to ensure smooth sliding action within the cylinder bore.

The WiseCo piston undergoes a rigorous manufacturing process, including precision machining and heat treatment, to guarantee a perfect fit and superior engine reliability. It also comes with a piston pin and rings included, making it a complete piston kit for your Yamaha MX125.

By upgrading to the WiseCo ORWI-CO419955-ON piston, you can expect a noticeable improvement in your bike's power delivery and overall performance. Its superior quality and durability make it an ideal choice for riders who demand the best from their vintage off-road motorcycle.

Whether you're a weekend warrior or a seasoned off-road racer, this WiseCo piston is an essential upgrade for your Yamaha MX125. Its precise fit and exceptional performance will give you the confidence to tackle any terrain with ease and excitement. Upgrade today and unleash the full potential of your vintage Yamaha MX125.

Wiseco WI-CO419955-ON 56mm Piston for 1980-1986 Yamaha MX125: A Comprehensive Analysis

* The Wiseco WI-CO41955-ON piston is designed specifically for high-performance applications. It can help increase horsepower and torque, leading to improved acceleration and top speed.

* The piston's compression ratio is higher than the stock piston, which can result in better combustion efficiency and overall engine performance.

* The Wiseco piston is forged from high-quality aluminum alloy, ensuring greater strength and durability compared to the stock piston.

* The piston's reinforced skirt and wrist pin boss provide additional support to the piston, reducing the risk of piston failure due to increased power.

* Wiseco pistons undergo a rigorous manufacturing process, ensuring accurate dimensions and fit for the intended engine.

* The piston's ring grooves are precision machined for optimal ring seal and performance.

* Installing a high-performance piston like the Wiseco WI-CO41955-ON may require additional engine modifications, such as a high-compression clutch, upgraded cylinder head, and improved fuel system. These modifications can increase the cost of the project.

* The increased compression ratio may require the use of high-performance fuel to ensure proper engine operation.

* The Wiseco WI-CO41955-ON piston is specifically designed for the 1980-1986 Yamaha MX125. Installing it in a different engine may lead to poor performance, potential damage, or engine failure.

The Wiseco WI-CO41955-ON 56mm piston offers numerous benefits for the 1980-1986 Yamaha MX125, including improved performance, enhanced durability, and precision manufacturing. However, the potential drawbacks, such as the need for additional engine modifications and high-performance fuel, should be carefully considered before making a purchase. Ultimately, if you are looking to maximize the performance of your MX125 and are willing to invest in the necessary modifications, the Wiseco piston can be a worthwhile investment.

If you are serious about improving the performance of your 1980-1986 Yamaha MX125 and are prepared to invest in the necessary engine modifications, the Wiseco WI-CO41955-ON 56mm piston is an excellent choice. Be sure to consult with a knowledgeable mechanic or engine builder to ensure that you have the proper modifications in place before installing the new piston.

Details:

I need to exchange an item. This is helpful if you are buying multiple items. 1980 1986 Yamaha MX125 Dirt Bike Wiseco Piston 56mm: Compatibility: MX125, Size: 56mm. All Wiseco 2 cycle pistons are supplied with rings and cir clips.

Parts without fitment are to be assumed universal and may require vehicle modification. Only Wiseco replacement ring sets can be used on pistons. Wiseco 2 cycle pistons are not supplied with a wrist pin unless noted in the. All Wiseco 4 cycle pistons come complete with rings, wrist pins and cir clips.

part #: orwico419955 price

• $146.99

specifications pistondon:

• for models: Mx125
• for makes: Yamaha
• for years: 1980-1986
• brand: Wiseco
• mpn: Orwi-co419955-on
• part type: Piston

payments pistondon:

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

general pistondon:

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

offer pistondon:

• quantity: 2
• availability: In Stock
• options: Ship-to-home
• started: September 3, 2025
• sold: 0

seller pistondon:

• city: Indiana, US
• rating: 99.5%
• # reviews: 64849

returns pistondon:

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

shipping pistondon:

• service: Standard
• class: Standard
• transit: 3-8 Days
• type: Fixed
• cost: $0.00

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