YAMAHA 4XM-11631-30-B0 Nos Piston Kit 7976

( Manufacturer Part Number: 4XM-11631-30-B0 ), ( Part Type: Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: G8 Mrm3-n Buk 11 Bin 5 )

Review YAMAHA Nos Piston Kit fits YZ125 STD 1998–2002

Yamaha YZ125 STD Piston Kit (4XM-11631-30-B0) - Replacement Part for 1998-2002 Models

The Yamaha YZ125 STD Piston Kit (4XM-11631-30-B0) is a high-performance replacement part designed specifically for the Yamaha YZ125 motorcycles produced between 1998 and 2002. This piston kit provides an excellent solution for riders seeking to enhance the power output and efficiency of their bikes.

The piston kit includes a high-quality forged piston made from aluminum alloy. The piston features a state-of-the-art design with a compression height that is optimized for improved combustion efficiency. The piston skirt is engineered to provide excellent ring sealing and minimize friction between the piston and cylinder walls.

Moreover, this piston kit comes with a set of rings, including a compression ring, an oil control ring, and a skirt ring. These rings are designed to provide optimal sealing and durability, ensuring that the engine runs smoothly and efficiently.

The piston kit also includes a new piston pin and piston pin retaining circlips. The piston pin is made from high-strength steel and is precision-machined to ensure a perfect fit. The circlips provide a positive seal to keep the piston pin securely in place.

The Yamaha YZ125 STD Piston Kit (4XM-11631-30-B0) is an ideal replacement for worn-out or damaged pistons, and it is also suitable for riders looking to upgrade their bikes for better performance. Installing this kit requires standard engine disassembly procedures and common hand tools.

By upgrading to this high-performance piston kit, riders can expect improved engine power and torque, increased fuel efficiency, and enhanced durability. This kit is backed by Yamaha's reputation for quality and reliability, ensuring that riders can enjoy their motorcycles with confidence and peace of mind.

In summary, the Yamaha YZ125 STD Piston Kit (4XM-11631-30-B0) is a premium replacement part that delivers superior performance and durability for Yamaha YZ125 motorcycles produced between 1998 and 2002. This kit includes a high-quality forged piston, a set of rings, a piston pin, and piston pin retaining circlips, ensuring a complete and effective solution for enhancing the power output and efficiency of your YZ125 bike.

Buying a Yamaha 4xM-11631-30-B0 1998-2002 YZ125 Standard Piston Kit: Pros, Cons, and Conclusion

This article discusses the pros and cons of purchasing a Yamaha 4xM-11631-30-B0 piston kit for the YZ125 standard model produced between 1998 and 2002.

1. Improved Performance: Upgrading to a new piston kit can enhance the engine's performance, leading to faster acceleration and increased top speed.

2. Longer Engine Life: A new piston kit can prolong the life of the engine by replacing worn-out parts, preventing potential engine damage, and ensuring optimal performance.

3. Customization: Installing a new piston kit is an excellent way to personalize your motorcycle and enhance its value, especially for collectors or enthusiasts.

1. Cost: The price of a new piston kit can be substantial, especially when considering the labor costs for installation.

2. Installation Complexity: Installing a piston kit requires a high level of mechanical expertise, and even minor errors can lead to significant issues.

3. Potential Compatibility Issues: Ensure the piston kit is compatible with your specific YZ125 model before making a purchase to avoid potential issues and additional costs.

The decision to buy a Yamaha 4xM-11631-30-B0 piston kit for a 1998-2002 YZ125 standard motorcycle involves weighing the benefits against the costs. While the new piston kit offers improved performance, longer engine life, and customization opportunities, it comes with a significant price tag and installation complexities.

If you are an experienced mechanic or have access to one, the Yamaha 4xM-11631-30-B0 piston kit can be an excellent investment for enhancing your YZ125's performance and engine life. However, if you lack the necessary mechanical skills or resources, it may be more cost-effective to consider other performance upgrades or to consult a professional for installation. Always double-check compatibility before making a purchase to avoid potential issues.

Details:

18 Club Car Bolas de Vicar 1700 Amortised Cilantro Mono Mueller Suspense n. 18 Club Car Carryall 1700 Landaus De Acre 12x7. Yamaha MX / ATV. Yamaha Cruisers.

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part #: 4xm1163130b0 prices

• $76.51-$154.76

specifications pistondon:

• for models: Yz125, Std
• for makes: Yamaha
• for years: 1998-2002
• mpn: 4xm-11631-30-b0
• part type: Piston
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: G8 Mrm3-n Buk 11 Bin 5

general pistondon:

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

offer pistondon:

• quantity: 1
• best offers: True
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: February 13, 2026

returns pistondon:

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

shipping pistondon:

• cost: $0.00
• class: Standard, Expedited, One-day
• service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail, FedEx 2Day, Overnight
• transit: 6-9 Days
• carrier: FedEx, USPS
• type: Fixed

seller pistondon:

• city: Odessa, Florida
• # reviews: 209897
• rating: 99.3%

payments pistondon:

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

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