YAMAHA 31K-11631-00-94 Nos Standard Piston 64MM

( Manufacturer Part Number: 31K-11631-00-94 ), ( Type: Piston )

Review YAMAHA Nos Oem Standard 64mm Piston fits RZ350

The Yamaha RZ350 standard motorcycle engine piston, model number 31K-11631-00-94, is a crucial component of the two-stroke, reed-valve-induced engine found in the RZ350 motorcycle. This piston, specifically designed for the standard version of the RZ350, measures 64mm in diameter, making it a key element that contributes to the bike's performance and power output.

This piston is meticulously crafted using high-quality materials to ensure durability and reliability. The piston crown is designed to optimize combustion efficiency, with a domed shape that enhances the fuel-air mixture's compression and ignition. The piston skirt is engineered for a snug fit in the cylinder bore, minimizing the potential for piston slap and reducing power loss due to friction.

The piston is also equipped with a cooling fin design that helps dissipate heat generated during engine operation. This feature is crucial for maintaining optimal engine temperature, ensuring consistent performance and preventing damage from overheating.

Additionally, the piston features a balanced design, which helps to reduce engine vibrations, providing a smoother and more comfortable riding experience. The piston ring grooves are carefully machined to ensure proper sealing and prevent oil leakage, maintaining the engine's lubrication system and ensuring long engine life.

In summary, the Yamaha RZ350 standard motorcycle engine piston, model number 31K-11631-00-94, is a high-performance component designed to deliver optimal power and efficiency from the RZ350 engine. Its precise engineering, high-quality materials, and innovative design features make it a reliable and essential component for any Yamaha RZ350 motorcycle enthusiast.

Pros and Cons of Buying a Yamaha RZ350 Standard Engine with 64mm Piston (Model No: 31K-11631-00-94)

The Yamaha RZ350 Standard engine is a popular choice among motorcycle enthusiasts due to its power, performance, and reliability. This particular engine comes with a 64mm piston (Model No: 31K-11631-00-94). In this article, we will discuss the advantages and disadvantages of buying this engine.

1. Power and Performance: The RZ350 Standard engine is known for its impressive power output and performance. The 64mm piston contributes to increased compression ratio, leading to better combustion and increased torque.

2. Reliability: Yamaha engines are renowned for their durability and reliability. The RZ350 Standard engine is no exception, making it a smart investment for those seeking a high-performance motorcycle engine.

3. Versatility: This engine can be used not only for motorcycles but also for go-karts, quad bikes, or any other application that requires a powerful, single-cylinder, four-stroke engine.

4. Wide Availability: The Yamaha RZ350 Standard engine is widely available in the aftermarket, making it easier to find replacement parts or even complete engines, ensuring long-term support.

1. Cost: The Yamaha RZ350 Standard engine with a 64mm piston is a high-performance engine, and its price reflects that. It may be more expensive than other options in the market.

2. Complexity: Compared to smaller engines, the RZ350 Standard engine is more complex, which may require additional expertise and resources for installation and maintenance.

In conclusion, the Yamaha RZ350 Standard engine with a 64mm piston (Model No: 31K-11631-00-94) offers several advantages such as power, performance, reliability, versatility, and wide availability. However, it comes with disadvantages, including a higher cost and increased complexity. Ultimately, the decision to buy this engine depends on your budget, expertise, and specific application requirements.

If you are looking for a high-performance engine that delivers impressive power and torque, the Yamaha RZ350 Standard engine with a 64mm piston is an excellent choice. However, consider your budget, expertise, and specific application requirements before making a purchase. If the cost or complexity is a concern, you may want to explore other engine options that better fit your needs.

Details:

New old stock OEM Yamaha RZ350 piston standard bore diameter.

part #: 31k116310094 prices

• $100.00-$140.99

specifications pistondon:

• for models: Rz350
• for makes: Yamaha
• mpn: 31k-11631-00-94
• type: Piston

shipping pistondon:

• type: Fixed
• class: Standard
• transit: 5-11 Days
• carrier: USPS
• service: USPS Ground Advantage
• cost: $6.75

payments pistondon:

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

seller pistondon:

• rating: 100.0%
• # reviews: 828
• city: Lees Summit, Missouri

general pistondon:

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

offer pistondon:

• availability: In Stock
• quantity: 1
• sold: 0
• started: January 1, 2026
• options: Ship-to-home

returns pistondon:

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

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