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  3. YAMAHA 5CU-11630-00

YAMAHA 5CU-11630-00 Standard Piston Kit

fits model: Yz250. make: Yamaha. year: 2000.

5cu-11630-00 Yamaha 2000 Yz250 Genuine Oem Standard Bore Piston Assembly Kit

( Manufacturer Part Number: 5CU-11630-00 ), ( Part Type: Piston )

Review YAMAHA Genuine Oem Standard Bore Piston Assembly Kit fits YZ250 2000

Introducing the Yamaha 5CU-11630-00 2000 YZ250 Standard Piston Kit, a high-performance upgrade for your Yamaha YZ250 motorcycle. This piston kit is specifically designed for the 2000 model year YZ250, providing an excellent balance between power and reliability.

The piston kit includes two fully machined, forged pistons, each featuring a compression height of 30.5mm and a total height of 89.0mm. These pistons are made from a high-strength alloy material, ensuring durability and exceptional thermal conductivity to help dissipate heat and reduce engine temperatures.

The piston skirts are designed with a fully floating, low-friction design, minimizing piston-to-liner contact and reducing friction for improved engine efficiency. The piston crowns have been optimized for a perfect match with the YZ250's combustion chamber, ensuring optimal combustion efficiency and power output.

The piston kit also includes two new rings sets, including a compression ring, an oil control ring, and a top ring. These rings are precision-machined to ensure a perfect fit and optimal ring gap for maximum performance and longevity.

The piston kit comes complete with all necessary hardware, including piston pins, piston pin bushings, and ring retainers. Each component is carefully packed and labeled for easy installation, ensuring a straightforward and hassle-free upgrade process.

In summary, the Yamaha 5CU-11630-00 2000 YZ250 Standard Piston Kit offers a high-performance upgrade for your Yamaha YZ250 motorcycle, with fully machined, forged pistons, optimized piston crowns, and precision-machined ring sets, all included with necessary hardware for a straightforward installation process. These upgrades will provide improved power, efficiency, and reliability for your motorcycle.

Pros and Cons of Buying Yamaha 5CU-11630-00 2000 YZ250 Standard Piston Kit

1. Pros:

a. Improved Performance: A piston kit is an upgrade that can significantly enhance the power and efficiency of your motorcycle engine. In the case of the Yamaha YZ250, the standard piston kit can improve horsepower and torque, contributing to better acceleration and top speed.

b. Durability: Wearing out or damaging the piston in a motorcycle engine can be costly and time-consuming. Replacing the piston with a high-quality aftermarket kit like the Yamaha 5CU-11630-00 can extend the life of your engine and reduce the risk of unexpected breakdowns.

c. Customization: Upgrading to a performance piston kit is a popular choice for riders looking to personalize their motorcycle and optimize its capabilities for their specific needs and preferences.

d. Cost-Effective: In some cases, purchasing a piston kit can be more cost-effective than buying a new motorcycle or even a rebuilt engine.

2. Cons:

a. Complex Installation: Installing a piston kit requires a certain level of mechanical skill and expertise. If you're not confident in your abilities, it's recommended to have the work done by a professional mechanic to ensure a proper installation and avoid damaging other engine components.

b. Additional Costs: Although the piston kit itself may be cost-effective, there are additional costs to consider, such as the labor for installation, any necessary engine rebuilds or repairs, and potential upgrades to other engine components to maximize the benefits of the new piston.

c. Potential Risks: Upgrading to a performance piston kit can increase the power output of your motorcycle, which may not be suitable for all riders. Additionally, improper installation or use of a high-performance piston kit can lead to engine damage and safety concerns.

Ending Conclusion:

The Yamaha 5CU-11630-00 2000 YZ250 Standard Piston Kit offers significant performance improvements, increased durability, and the potential for customization. However, it comes with complex installation requirements, additional costs, and potential risks. Weighing these factors against the benefits will help you determine if this piston kit is a worthwhile investment for your Yamaha YZ250.

Recommendation:

If you're a skilled mechanic or have access to a trusted professional, and you're looking for a noticeable performance upgrade or extended engine life for your Yamaha YZ250, the 5CU-11630-00 2000 YZ250 Standard Piston Kit is a strong contender. However, if you're unsure about your mechanical abilities, or if the additional costs and potential risks outweigh the benefits for your specific riding needs, you may want to consider other options. Always ensure proper research and consultation with motorcycle experts before making a decision.

Details:

2000 Yamaha YZ250 Genuine OEM Standard Bore Piston Assembly Kit. Manufacturer: Yamaha. Selling as pictured. Model: YZ250 specifically YZ250M variants in the USA, Canada, South Africa, etc.

Make: Yamaha. Bore Size: The standard bore size for the compatible YZ250 model's is 66.4mm. Status: This is often New Old Stock NOS and availability can be limited.

Part: Piston Assembly STD - Standard Bore. Function: A replacement kit used to restore engine performance and compression original factory specifications. Kit Components: This assembly typically includes the piston, piston rings, pin, and cir clips snap rings.

part #: 5cu1163000 prices

  • $115.95-$214.84

specifications pistondon:

  • for models: Yz250
  • for makes: Yamaha
  • for years: 2000
  • mpn: 5cu-11630-00
  • part type: Piston

shipping pistondon:

  • carrier: FedEx
  • cost: $10.99
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 2-6 Days
  • type: Fixed
  • class: Standard

payments pistondon:

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

returns pistondon:

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

general pistondon:

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

seller pistondon:

  • rating: 99.0%
  • # reviews: 96662
  • city: Butler, Pennsylvania

offer pistondon:

  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: January 22, 2026
for models: yz250, for makes: yamaha, for years: 2000, part type: piston,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 10123437477897771,

Yamaha 5CU-11630-00 Is Similar To:

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3 offers $115.95–$214.84 USD
  • Offer #1: $214.84 price + $12.83 shipping estimate = $227.67* total.+$12.83 shipping
  • Offer #2: $149.88 price + $5.89 shipping estimate = $155.77* total. 2000 YZ250.+$5.89 shipping
  • Offer #3: $115.95 price + $10.99 shipping estimate = $126.94* total. Bore Size: The standard bore size for the compatible YZ250 models is 66.4 mm.+$10.99 shipping

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