YAMAHA 5MW-11631-00-B0 Piston

( Manufacturer Part Number: 5MW-11631-00-B0 ), ( Part Type: Piston )

Review YAMAHA Genuine Oem Piston Fits fits YZ250 YZ250WR STD 2001

Introducing the Yamaha 5MW-11631-00-B0 piston, a high-performance upgrade for your 2001 Yamaha YZ250 or YZ250WR motorcycle. This piston is specifically designed to deliver exceptional power and efficiency, making it an ideal choice for riders seeking to enhance the performance of their two-stroke enduro bike.

The 5MW-11631-00-B0 piston boasts a forged aluminum construction that ensures superior strength, durability, and reliability. The piston's crown is engineered with a unique shape and surface finish that optimizes combustion efficiency and reduces friction for smoother engine operation. The piston skirt features a state-of-the-art coating that minimizes friction and wear, allowing for longer service life and reduced engine maintenance.

This piston is also designed to accommodate a wider range of compression ratios, giving riders the flexibility to fine-tune their engine setup for various riding conditions and fuel types. The piston ring grooves are precision machined to ensure a snug fit and optimal sealing, while the ring lands are carefully designed to minimize ring drag and promote even ring wear.

Additionally, the 5MW-11631-00-B0 piston is compatible with OEM Yamaha connecting rods and crankshafts, making installation a straightforward process. The piston also comes with a new gudgeon pin, ensuring a perfect fit and reducing the need for additional parts.

In summary, the Yamaha 5MW-11631-00-B0 piston is a top-tier performance upgrade for your 2001 Yamaha YZ250 or YZ250WR motorcycle. Its forged aluminum construction, optimized crown shape, advanced skirt coating, and compatibility with OEM parts make it a reliable and effective choice for riders looking to take their bike's power and efficiency to the next level.

The Yamaha YZ250 and YZ250WR are popular choices for off-road motorcycle enthusiasts. The 5MW-11631-00-B0 piston is a part commonly used in the maintenance and upgrades of these bikes. Here are some pros and cons of buying this piston for your Yamaha YZ250 or YZ250WR:

1. Enhanced Performance: The 5MW-11631-00-B0 piston is designed to provide improved performance by increasing power and torque. This can lead to better acceleration and overall riding experience.

2. Durability: Yamaha is a reputable brand known for manufacturing high-quality motorcycle parts. The piston is made from forged material which makes it stronger and more resilient to wear and tear.

3. Better Fuel Efficiency: The piston's design and materials can help improve fuel efficiency, resulting in longer rides between refills.

4. Easy Installation: Installing the piston is a straightforward process that can be done with basic tools, saving time and money on professional labor.

5. Availability: The 5MW-11631-00-B0 piston is widely available from various retailers and can be purchased online or in-store.

1. Cost: The piston can be an expensive investment, especially for budget-conscious riders.

2. Requires Other Upgrades: Installing the piston may require additional upgrades or modifications to the engine to achieve optimal performance.

3. Potential Compatibility Issues: The piston may not be compatible with all models or years of the Yamaha YZ250 or YZ250WR, so it is essential to verify compatibility before making a purchase.

The Yamaha 5MW-11631-00-B0 piston offers several advantages for off-road motorcycle enthusiasts, including enhanced performance, durability, better fuel efficiency, easy installation, and availability. However, the high cost and potential compatibility issues are important considerations. If you are looking to improve the performance of your Yamaha YZ250 or YZ250WR and can afford the investment, this piston is a worthy consideration.

Before making a purchase, ensure that the piston is compatible with your specific model and year of the Yamaha YZ250 or YZ250WR. It is also recommended to consult with a professional mechanic or experienced rider to determine the benefits and requirements of installing the piston. Additionally, consider purchasing from a reputable dealer to ensure the authenticity and quality of the product.

Details:

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

Worldwide shipping available on most items Inquire for pricing. What you are buying on: Genuine OEM Yamaha 5MW-11631-00-B0 Piston STD fits 2001 YZ250 YZ250WR.

part #: 5mw1163100b0 prices

• $74.50-$560.00

specifications pistondon:

• for models: Yz250, Yz250wr, Std
• for makes: Yamaha
• for years: 2001
• mpn: 5mw-11631-00-b0
• part type: Piston

general pistondon:

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

payments pistondon:

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

returns pistondon:

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

shipping pistondon:

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

seller pistondon:

• city: Draper, Utah
• # reviews: 27413
• rating: 99.5%

offer pistondon:

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

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