WISECO ORWI-CO424191-ON Mr Piston Bike 72MM

( Brand: Wiseco ), ( Manufacturer Part Number: ORWI-CO424191-ON ), ( Part Type: Piston )

Review WISECO Honda Mr Dirt Bike Piston 72mm fits CR250 1975–1977

Wiscotech ORWI-CO424191-ON 72mm Piston for 1975-1977 Honda CR250 MR Bikes

The Wiscotech ORWI-CO424191-ON 72mm Piston is a high-performance replacement piston specifically designed for Honda CR250 MR motorcycles manufactured between 1975 and 1977. This piston is engineered to deliver superior power, reliability, and durability for your vintage motorcycle.

This piston is crafted from a forged aluminum alloy, ensuring a strong and lightweight design. Its 72mm bore diameter is optimized for the CR250 MR engine, enhancing power output and efficiency. The piston includes a new ring set, which consists of a compression ring, oil control ring, and two skirt rings. The rings are made of high-quality materials, ensuring a proper seal and optimal engine performance.

The piston crown is designed with a dished shape to improve combustion efficiency and power output. The skirt of the piston is robust and features a full-floating design, which reduces friction and wear, ensuring a long lifespan. The piston also includes a gudgeon pin and pin boss, which are made from high-strength steel for added durability.

The Wiscotech ORWI-CO424191-ON 72mm Piston is manufactured to OEM specifications and undergoes rigorous testing to ensure a perfect fit and function. It is compatible with OEM connecting rods and crankshafts, making it a seamless replacement for your original piston.

Installation of the piston is made easy with detailed instructions provided in the box. This piston is an excellent choice for riders who want to restore their vintage Honda CR250 MR motorcycle to its former glory, while also improving its performance. With its high-quality materials, precise engineering, and excellent fitment, the Wiscotech ORWI-CO424191-ON 72mm Piston is a wise investment for any CR250 MR enthusiast.

Wiseco WI-CO424191-ON 1975-1977 Honda CR250 MR Bike Piston (72mm): A Comprehensive Analysis

a. **High-Performance:** Designed for high-performance applications, this piston can help increase horsepower and torque in your Honda CR250 MR bike.

b. **Durability:** Wiseco pistons are known for their durability and strength. This piston is made from forged aluminum, ensuring it can withstand the rigors of off-road riding.

c. **Customizability:** Wiseco offers various piston sizes and designs to cater to different riding styles and engine modifications.

a. **Cost:** Compared to stock pistons, aftermarket high-performance pistons like the Wiseco WI-CO424191-ON can be more expensive.

b. **Installation Complexity:** Installing a high-performance piston like this one may require advanced mechanical skills or professional assistance, which could add to the overall cost.

The Wiseco WI-CO424191-ON 72mm piston for the 1975-1977 Honda CR250 MR bike offers several benefits, such as increased performance, improved durability, and customizability. However, it comes with a higher cost and installation complexity compared to stock pistons.

If you're an avid off-road rider looking to extract the maximum potential from your Honda CR250 MR bike, a high-performance piston like the Wiseco WI-CO424191-ON could be a worthwhile investment. Just make sure you have the necessary skills or professional assistance to install it properly, and be prepared for the additional cost.

Details:

1975-1977 Honda CR250 MR Dirt Bike Wiseco Piston 72mm: Compatibility: MR, Size: 72mm. Credit or Debit Card.: Brand: Wiseco, model Number: ORWI-CO424191-ON. Parts without fitment are to be assumed universal and may require vehicle modification.

This is helpful if you are buying multiple items. I need to exchange an item.

part #: orwico424191 price

• $209.99

specifications pistondon:

• for models: Cr250
• for makes: Honda
• for years: 1975-1977
• brand: Wiseco
• mpn: Orwi-co424191-on
• part type: Piston

shipping pistondon:

• class: Standard
• cost: $0.00
• service: Standard
• transit: 3-5 Days
• type: Fixed

seller pistondon:

• city: Indiana, US
• # reviews: 79485
• rating: 99.9%

payments pistondon:

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

offer pistondon:

• availability: In Stock
• started: March 7, 2026
• sold: 0
• quantity: 3
• options: Ship-to-home

general pistondon:

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

returns pistondon:

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

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