fits model: Yz490, Yz. make: Yamaha. year: 1982.

( Manufacturer Part Number: 5X6-11311-00-00 ), ( Type: Cylinder With Piston )
The 5x6-11311-00-00 is a high-quality engine component specifically designed for the 1982 Yamaha YZ490 and YZ 490 models. This is a piston for the engine's cylinder jug, a critical part that contributes significantly to the engine's performance.
The piston measures 88.5mm in diameter, ensuring a snug fit in the cylinder jug and providing optimal combustion efficiency. It's made from top-grade materials, such as forged aluminum alloy, ensuring durability, strength, and resistance to heat and wear.
The piston features a unique design with an optimized crown shape for better compression, enhanced power delivery, and improved engine efficiency. It also has a reinforced skirt for improved ring seal, reducing oil consumption and ensuring better engine performance over time.
The piston is also equipped with a ring pack that includes a compression ring, oil control ring, and two transfer rings. These rings are precision-machined for accurate fit and function, ensuring efficient oil control and proper piston-to-wall lubrication.
In addition, the piston comes with a piston pin, which is a crucial part that connects the piston to the connecting rod. This pin is made from hardened steel for strength and durability, ensuring a secure connection and smooth engine operation.
Overall, the 5x6-11311-00-00 piston is an excellent replacement or upgrade option for your 1982 Yamaha YZ490 or YZ 490 engine. It's designed to improve engine performance, increase power delivery, and ensure long-term reliability and durability.
Pros of buying a 1982 Yamaha YZ490 engine motor cylinder jug piston (5x6-11311-00-00):1. Authenticity: This part is an original OEM (Original Equipment Manufacturer) part from Yamaha, ensuring it fits perfectly with your 1982 YZ490.
2. Durability: Yamaha is known for its high-quality parts, and this piston is no exception. It's designed to withstand the rigors of off-road racing and maintain performance over time.
3. Availability: Since this is an OEM part, it's likely to be widely available from various retailers, making it easy to find and purchase when you need it.
Cons of buying a 1982 Yamaha YZ490 engine motor cylinder jug piston (5x6-11311-00-00):1. Cost: Original OEM parts can be more expensive than aftermarket alternatives. The price of this piston may be higher compared to some aftermarket options.
2. Limited options: Since this is an original part, there may be fewer customization options available compared to aftermarket parts.
Conclusion:If you're looking for a reliable and durable piston for your 1982 Yamaha YZ490, the OEM part (5x6-11311-00-00) is a solid choice. Its perfect fit and proven performance are worth the investment, especially if you prioritize originality and don't want to compromise the bike's performance. However, if cost is a concern, you may want to consider aftermarket alternatives that offer similar performance at a lower price point.
Recommendation:If you're in the market for a piston for your 1982 Yamaha YZ490, I would recommend the OEM part (5x6-11311-00-00). It might be a bit more expensive, but the peace of mind that comes with using a genuine part, coupled with its durability and reliability, make it a worthwhile investment. Just make sure to shop around for the best price and consider any available warranties to protect your investment.