WISECO PISTON 4440M07400 Valve 193564125392 74.00MM

( Brand: Wiseco Piston ), ( Part Type: Valve ), ( Manufacturer Part Number: 4440M07400 ), ( Warranty Details: See Manufacturer ), ( UPC: 193564125392 )

Review WISECO PISTON 74.00mm 12 Honda Valve fits TRX250X 1987–1992

The WiseCo Piston 4440M07400 is a high-performance replacement piston designed specifically for Honda TRX250X models produced between 1987 and 1992. This piston measures 74.00mm in diameter and is suitable for use in 12cc engines.

Manufactured from 4440 alloy steel, this piston is known for its exceptional strength and durability. It features a domed design with a compression height of 30.5mm and a total height of 52.5mm, ensuring optimal combustion and power output. The piston skirt is machined to a precision fit, providing a reliable seal against the engine cylinder for efficient power transfer.

The piston ring grooves are designed to accommodate standard piston rings (oversized rings may require modifications), and the piston pin bore is precision-machined to accommodate a standard piston pin. This piston is also compatible with the factory connecting rod.

Each WiseCo piston undergoes a rigorous quality control process to ensure the highest standards of fit, finish, and performance. The piston is also designed to be interchangeable with the OEM part, making it a direct replacement for the original equipment.

In summary, the WiseCo Piston 4440M07400 is a high-quality, high-performance replacement piston specifically designed for Honda TRX250X models from 1987 to 1992. Its 74.00mm diameter, 4440 alloy steel construction, and precise machining make it a reliable and efficient upgrade for your engine.

Wiseco Piston 4440M07400 for Honda TRX250X (1987-1992): A Detailed Analysis

The Wiseco Piston 4440M07400 is a popular aftermarket option for the Honda TRX250X ATVs manufactured between 1987 and 1992. This piston boasts several advantages, but it's essential to consider potential downsides before making a purchase.

1. Enhanced Performance: The Wiseco piston is designed to provide improved performance by increasing compression ratio and horsepower.

2. Durability: Made of forged 4340 steel, this piston is known for its strength and resistance to engine wear.

3. Precision Manufacturing: Wiseco pistons undergo rigorous manufacturing processes to ensure a precise fit and optimal engine function.

4. Temperature Resistance: The piston's design offers excellent heat dissipation, which can help prevent engine damage and overheating.

5. Increased Longevity: By using a high-quality aftermarket piston, you can potentially extend the life of your engine.

1. Cost: Compared to OEM pistons, aftermarket options like the Wiseco 4440M07400 tend to be more expensive.

2. Installation Complexity: Installing an aftermarket piston requires more time and expertise than swapping out a stock component.

3. Potential Clearance Issues: Depending on the condition of your engine and its components, there might be clearance issues that need to be addressed before installing the new piston.

4. Break-In Period: Aftermarket pistons often require a break-in period to ensure optimal performance and longevity.

The Wiseco Piston 4440M07400 offers several advantages, such as enhanced performance, durability, precision manufacturing, and temperature resistance. However, it comes with some disadvantages, including higher cost, installation complexity, potential clearance issues, and a break-in period.

If you're an experienced ATV owner looking to extract the maximum performance from your Honda TRX250X, the Wiseco Piston 4440M07400 is an excellent choice. Keep in mind that the installation process may be complex, and you may need to address clearance issues beforehand. Additionally, be prepared for the higher cost and the break-in period. If you're a novice or casual user, an OEM piston may be a more suitable and cost-effective option for your needs.

part # 4440m07400 prices

• $174.99-$210.95

specifications atvsienna:

• for models: Trx250x
• for makes: Honda
• for years: 1987-1992
• brand: Wiseco Piston
• part type: Valve
• manufacturer part number: 4440M07400
• warranty details: See Manufacturer
• upc: 193564125392

seller atvsienna:

• # reviews: 703001
• rating: 99.8%

returns atvsienna:

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

offer atvsienna:

• availability: In Stock
• quantity: 2
• options: Ship-to-home
• sold: 0
• started: April 19, 2026

shipping atvsienna:

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

general atvsienna:

• condition: New
• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts

payments atvsienna:

• wallet: Paypal
• credit card: Diners-club
• other

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