ECONOMY CYCLE 31K-11631-02 Khc Piston 64.5MM

( Brand: Economy Cycle ), ( Manufacturer Part Number: 31K-11631-02 ), ( Part Type: Piston ), ( Engine Type: 2-stroke )

Review ECONOMY CYCLE Yamaha Khc Piston Kits Pair Size 64.5mm Free Shipping fits RD350LC

Introducing the Economy Cycle 31K-11631-02 Yamaha RD350LC KHC Piston, an essential upgrade for your classic Yamaha RD350LC motorcycle. This piston, manufactured by KHC, is designed to deliver optimal performance, reliability, and longevity to your two-wheel machine.

Measuring 64.5mm in diameter, this forged piston is engineered using advanced manufacturing techniques to ensure strength and durability. The compression height of 29.5mm is engineered to provide an ideal power output for the RD350LC engine. The piston's crown is designed with a dish shape to ensure proper ring sealing and efficient combustion.

The KHC piston features a skirt with a honed finish to minimize friction and ensure smooth operation. The piston's rings are made from high-quality materials, designed to provide a tight seal in the cylinder, reducing blow-by and increasing engine efficiency.

This piston is designed to be a direct replacement for the OEM part, ensuring easy installation and no need for additional modifications. It comes with a piston pin and rings included in the package. The piston is also designed to work with the stock connecting rod and crankshaft.

By upgrading to the Economy Cycle 31K-11631-02 Yamaha RD350LC KHC Piston, you can expect improved power delivery, increased engine efficiency, and enhanced reliability from your classic motorcycle. Whether you're cruising down the highway or tackling twisty backroads, this piston will help you get the most out of your Yamaha RD350LC.

In summary, the Economy Cycle 31K-11631-02 Yamaha RD350LC KHC Piston is a high-quality, forged piston designed to deliver optimal performance, reliability, and longevity to your classic Yamaha RD350LC motorcycle. It is engineered with a dish-shaped crown, honed skirt, and high-quality rings to ensure efficient combustion, reduced friction, and a tight seal in the cylinder. This piston is a direct replacement for the OEM part and comes with a piston pin and rings included in the package. Upgrade your RD350LC and experience improved power delivery, increased engine efficiency, and enhanced reliability.

The Yamaha RD 350LC is a classic motorcycle known for its power, agility, and retro design. Replacing the piston in this bike can be a consideration for those seeking improved performance or addressing wear and tear. The Yamaha RD350LC KHC piston with a bore size of 64.5mm is a common replacement option. Let's discuss the potential advantages and disadvantages of purchasing this specific piston:

1. Enhanced Performance: A new piston can help improve engine performance by reducing friction, improving combustion efficiency, and potentially increasing power output.

2. Reliability: A new piston can reduce the risk of engine failure due to wear and tear, ensuring a more reliable riding experience.

3. Smoother Engine Operation: A new piston can lead to smoother engine operation, reducing vibrations and engine noise.

4. Improved Fuel Efficiency: A new piston can potentially improve fuel efficiency by ensuring proper engine sealing and reducing power loss.

1. Cost: Replacing a piston can be an expensive repair, especially for older motorcycles like the Yamaha RD350LC.

2. Complexity: Installing a new piston requires the removal and disassembly of the engine, which can be a complex and time-consuming process.

3. Risk of Damage: During the installation process, there is a risk of damaging other engine components, which could result in additional repair costs.

Considering the advantages and disadvantages, the decision to purchase a new Yamaha RD350LC KHC piston ultimately depends on the motorcycle's condition, riding habits, and the rider's priorities. If the motorcycle is in poor condition or used frequently, a new piston can provide significant performance improvements and increased reliability. However, for those with well-maintained bikes or limited budgets, this may not be a necessary expense. Ultimately, it's essential to weigh the potential benefits against the cost and complexity of the installation process.

If you're considering purchasing a new Yamaha RD350LC KHC piston, it's recommended to consult with a professional mechanic or trusted motorcycle shop to assess the motorcycle's condition and determine if a new piston is a necessary expense. Additionally, ensure that you source the piston from a reputable supplier to ensure quality and compatibility with your motorcycle.

Details:

Free US Shipping. Yamaha RD350LC All years. Satisfaction Guaranteed. Piston Kits Include.

Piston, Rings, Expanded Pin, Clips. Pair of KHC Piston Kits 64.5mm 31K-11631-02. This part has been tested by Economy Cycle for fitment.

part #: 31k1163102 price

• $74.95

specifications pistondon:

• for models: Rd350lc
• for makes: Yamaha
• brand: Economy Cycle
• mpn: 31k-11631-02
• part type: Piston
• engine type: 2-stroke

returns pistondon:

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

seller pistondon:

• city: Granbury, Texas
• # reviews: 3332
• rating: 100.0%

payments pistondon:

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

general pistondon:

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

offer pistondon:

• options: Ship-to-home
• started: November 20, 2025
• availability: In Stock
• sold: 0

shipping pistondon:

• service: USPS Ground Advantage
• carrier: USPS
• cost: $0.00
• transit: 4-11 Days
• class: Standard
• type: Fixed

Economy Cycle 31K-11631-02 Is Similar To:

• Economy Cycle 31k-11631-04 Yamaha Rd350lc Khc Piston Kits Pair Size 65.0mm Free Shipping (96.7% similar) Free us shipping. Satisfaction guaranteed. Pair of khc piston kits 65.0MM 31K-11631-04. Yamaha RD350LC all years. Piston kits include. Piston, rings, expanded pin, clips. This part has been tested by Economy Cycle for fitment...(November 20th, 2025)