YAMAHA 4XM-11631-30-C0 Piston

( Manufacturer Part Number: 4XM-11631-30-C0 ), ( Part Type: Piston )

Review YAMAHA Genuine Oem Piston For fits YZ125 STD YZ 125 1997–2001

Introducing the Yamaha 4XM-11631-30-C0 piston, an essential upgrade for the 1997-2001 Yamaha YZ125 and YZ125X models. This high-performance piston is designed to deliver improved power, efficiency, and reliability to your motorcycle.

The piston is crafted from forged aluminum, ensuring superior strength and durability. Its compact design reduces weight, contributing to enhanced engine responsiveness and agility. The piston features a compression height of 26.8mm and a total height of 70.2mm, making it suitable for high-performance applications.

The piston skirt is designed with a unique shape that reduces friction and ensures optimal ring seal, resulting in improved engine efficiency and reduced power loss. The piston ring grooves are precisely machined to ensure proper ring fit and sealing.

The piston ring set included with this kit is made from high-quality materials, ensuring long-lasting performance. The top compression ring is designed for optimal sealing and power transfer, while the second compression ring and oil control ring work together to maintain proper engine oil pressure and prevent oil consumption.

The piston also includes a new piston pin, which is made from high-strength material and features a unique coating that reduces friction and wear, improving engine reliability and longevity.

Installing this piston kit is a straightforward process, making it an ideal choice for riders who want to enhance the performance of their Yamaha YZ125 or YZ125X. It's important to note that installing this piston kit requires the use of a piston honing tool to ensure proper engine bore finishing.

In summary, the Yamaha 4XM-11631-30-C0 piston is an excellent upgrade for the 1997-2001 Yamaha YZ125 and YZ125X models. It delivers improved power, efficiency, and reliability, making it a must-have for any serious off-road rider. With its high-quality materials, precise machining, and easy installation process, this piston kit is an investment that will pay off in both performance and longevity.

Considerations and Recommendation for Buying a Yamaha 4XM-11631-30-C0 Piston for 1997-2001 YZ125 and YZ125 models

The Yamaha YZ125 is a popular motocross bike known for its durability and performance. Over time, the piston may need to be replaced due to wear or engine damage. In this article, we will discuss the pros and cons of buying a Yamaha 4XM-11631-30-C0 piston for 1997-2001 YZ125 and YZ125 models and provide a recommendation based on available information.

1. OEM Part: This piston is an original equipment manufacturer (OEM) part, ensuring a perfect fit and the same quality as the original equipment.

2. Improved Performance: The updated piston design may offer improved engine performance and efficiency, resulting in better power output and fuel economy.

3. Reliability: As an OEM part, the Yamaha 4XM-11631-30-C0 piston is designed to be durable and reliable, providing long-lasting performance for the YZ125 and YZ125 models.

4. Warranty: The piston comes with a manufacturer's warranty, providing peace of mind and protection against any defects or malfunctions.

1. Cost: Original equipment manufacturer parts can be more expensive compared to aftermarket alternatives.

2. Availability: Depending on the supplier or distributor, the Yamaha 4XM-11631-30-C0 piston might not be readily available or easily accessible for some customers.

The Yamaha 4XM-11631-30-C0 piston is an excellent choice for those looking for a reliable, high-quality, and durable replacement part for their 1997-2001 YZ125 and YZ125 models. Its perfect fit, improved performance, and manufacturer's warranty make it a worthwhile investment for motorcycle enthusiasts who value originality and peace of mind. However, the higher cost compared to aftermarket alternatives and potential availability issues should be considered before making a final decision.

Based on the available information, we recommend the Yamaha 4XM-11631-30-C0 piston for those seeking a high-quality, OEM replacement part for their 1997-2001 YZ125 and YZ125 models. The potential benefits of improved performance, reliability, and peace of mind offered by this part make it a worthwhile investment for motorcycle enthusiasts who prioritize originality and long-term performance. However, it is essential to weigh the costs and availability concerns against the benefits before making a final decision.

Details:

30 Day Return Period. Money Back or Exchange. UPS FedEx Next Day 2nd Day Air Available Inquire for pricing. Condition: New.

What you are buying on: Genuine OEM Yamaha 4XM-11631-30-C0 Piston STD for 1997 2001 YZ125 YZ 125. Worldwide shipping available on most items Inquire for pricing.

part #: 4xm1163130c0 prices

• $70.98-$303.00

specifications pistondon:

• for models: Yz125, Std, Yz, 125
• for makes: Yamaha
• for years: 1997-2001
• mpn: 4xm-11631-30-c0
• part type: Piston

offer pistondon:

• started: January 19, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

seller pistondon:

• rating: 99.5%
• # reviews: 27416
• city: Draper, Utah

returns pistondon:

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

payments pistondon:

• other
• wallet: Google-pay
• credit card: Diners-club

general pistondon:

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

shipping pistondon:

• cost: $0.00
• transit: 3-7 Days
• service: Standard
• type: Fixed
• class: Standard

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