YAMAHA 3R4-11636-00 Piston

( Manufacturer Part Number: 3R4-11636-00 ), ( Part Type: Piston ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: J8 Crp1-n Buk 9 )

Review YAMAHA New Oem Piston fits YZ250 1980–1981

The Yamaha YZ250 piston, model number 3R4-11636-00, is a high-performance replacement part designed for use in Yamaha YZ250 motorcycles manufactured between 1980 and 1981. This piston is meticulously engineered to deliver optimal power, durability, and reliability for riders seeking top-tier performance from their classic motorcycle.

The forged aluminum construction of this piston ensures superior strength and rigidity, allowing it to withstand the high-stress conditions of aggressive riding. The piston's crown is designed with a compact, dished shape to enhance combustion efficiency and increase power output. The piston skirt is optimized for a snug fit in the cylinder bore to minimize friction and reduce power loss.

The piston ring set included with this part features a compression ring, an oil control ring, and a top ring. These rings are precision-machined from high-quality materials to ensure consistent sealing and optimal engine performance. The compression ring is designed to maximize power output and improve combustion efficiency, while the oil control ring minimizes oil consumption and ensures clean engine operation.

Additionally, this piston is designed with a narrow piston pin bore to accommodate the latest generation of Yamaha YZ250 connecting rods. This compatibility with modern connecting rods makes this piston an excellent choice for riders who have upgraded their engine components or are restoring their classic motorcycle to its original specifications.

The Yamaha 3R4-11636-00 1980-1981 YZ250 piston is a high-quality replacement part that delivers superior power, durability, and reliability for classic Yamaha YZ250 motorcycles. Whether you're restoring a vintage bike or upgrading your engine components for high-performance riding, this piston is an essential addition to your parts inventory.

Buying a Yamaha YZ250 piston from the model years 1980-1981 (part number 3R4-11636-00) can be a worthwhile investment for motorcycle enthusiasts looking to restore or maintain their vintage Yamaha YZ250. Here are some potential pros and cons to consider before making a purchase:

1. Authenticity: By using an original OEM (Original Equipment Manufacturer) piston, you can maintain the originality and integrity of your vintage motorcycle.

2. Performance: An OEM piston is designed to work optimally with other components in the engine, ensuring optimal performance.

3. Durability: OEM parts are typically built to last, providing long-term reliability and reducing the need for frequent replacements.

4. Availability: Yamaha parts, including pistons, are widely available from authorized dealers and aftermarket suppliers, making it relatively easy to find and purchase.

1. Cost: OEM parts can be more expensive than aftermarket alternatives, which may be a deterrent for some buyers.

2. Availability: While OEM parts are generally available, there may be lead times or shipping delays, which could impact your project timeline.

3. Limited alternatives: If you prefer to customize your engine or are working with a limited budget, aftermarket alternatives may offer more options and flexibility.

Ultimately, the decision to buy an OEM Yamaha YZ250 piston from the 1980-1981 model years depends on your priorities and goals for your project. If maintaining originality and ensuring optimal performance are important to you, an OEM piston may be the best choice. However, if cost or the desire for customization is a primary concern, an aftermarket alternative may be more suitable.

To make an informed decision, consider researching various options, comparing prices, and reviewing customer feedback before making a purchase. Consulting with a knowledgeable mechanic or Yamaha dealer can also help provide valuable insights and guidance.

Details:

The image to watch on YouTube. Fits: This new OEM piston fits 1980 1981 Yamaha YZ250 model's. Genuine Yamaha new OEM piston, part number 3R4-11636- for 1980 1981 YZ250 motorcycles. Spotlight: A Day Inside .

Yamaha MX / ATV. Yamaha Cruisers. 1980 1986 Yamaha XJ550 XJ650 XJ700 XJ750 XJ900 Shift Shaft Pedal OEM. A high-quality replacement part to maintain your engines original specifications and power.

part #: 3r41163600 prices

• $41.36-$89.79

specifications pistondon:

• for models: Yz250
• for makes: Yamaha
• for years: 1980-1981
• mpn: 3r4-11636-00
• part type: Piston
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: J8 Crp1-n Buk 9

general pistondon:

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

offer pistondon:

• availability: In Stock
• best offers: True
• quantity: 3
• options: Ship-to-home
• sold: 0
• started: January 21, 2026

seller pistondon:

• city: Odessa, Florida
• # reviews: 206275
• rating: 99.3%

payments pistondon:

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

shipping pistondon:

• cost: $0.00
• carrier: FedEx, USPS
• service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail, FedEx 2Day, Overnight
• transit: 4-8 Days
• type: Fixed
• class: Standard, Expedited, One-day

returns pistondon:

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

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