fits make: Yamaha. year: 1973.

( Manufacturer Part Number: 858-11351-00 ), ( Part Type: Gasket Cylinder )
The Yamaha nos cylinder base gasket for the 1973 SR643 is a critical engine component designed primarily from high-quality elastomeric material. This material provides excellent sealing properties, resilience, and resistance to high temperatures, compression, and pressure.
Function and Design:Rectangular in shape, this gasket is intended to seal the base of the cylinder to the engine's head. Its purpose is to prevent the escape of combustion gases or the entrance of coolant, oil, or other contaminants into the combustion chamber. The intricately designed shape of the gasket allows it to conform perfectly to the engine components, forming a leak-free, durable seal.
New Old Stock (NOS):The 1973 Yamaha SR643 nos cylinder base gasket is a new old stock (NOS) item. This means that it is an unworn, unused replacement part, which has been packaged and stored in original factory packaging or in dedicated storage facilities since its production in 1973. As a result, it retains its original quality and integrity, making it an excellent choice for collectors, restorers, and enthusiasts seeking an authentic, original component for their vintage Yamaha SR643 engine.
Applications:The nos cylinder base gasket 858-11351-00 is specifically engineered for use on Yamaha SR643 engines manufactured in the year 1973. Installing this gasket can help restore the functionality and efficiency of the engine by ensuring a proper seal at the base of the cylinder, leading to improved combustion and overall performance.
Dependability and Durability:This NOS cylinder base gasket is renowned for its high-levels of dependability and durability, ensuring reliable operation of the engine year after year. Its elastomeric material has a high resistance to wear and degradation, making it able to handle the extreme temperatures and pressures encountered during engine operation.
Conclusion:Investing in a Yamaha SR643 1973 nos cylinder base gasket 858-11351-00 brings a renewed sense of confidence and satisfaction to vintage motorcycle enthusiasts. This new old stock replacement part not only offers authenticity but also the dependability and durability desired when restoring or maintaining a vintage engine. With its precise design and exceptional sealing properties, this gasket ensures an efficient and leak-free engine, resulting in improved performance and enhanced overall driving experience.
The Yamaha SR643 (858-11351-00) NOS (New Old Stock) cylinder base gasket is a replacement part for Yamaha outboard engines. Here are some potential advantages and disadvantages for buying this part:
Pros:1. New Old Stock (NOS): This gasket is a new, unused part that has been stored in a warehouse for an extended period. It is an authentic OEM (Original Equipment Manufacturer) part, meaning it is designed and manufactured by Yamaha. Buying NOS parts ensures a perfect fit and original manufacturing quality.
2. Durability: A new gasket is expected to last longer than a used gasket, ensuring the long-term reliability and efficiency of the engine.
3. Sealing Performance: The cylinder base gasket plays a crucial role in sealing the engine's cylinders, reducing the risk of leaks and power loss. A new gasket can provide improved sealing performance, helping to maintain engine performance over time.
4. Availability: While older Yamaha outboard engines may be hard to find parts for, purchasing a NOS gasket ensures that the part will be available for future maintenance and repairs.
5. Preserving Originality: For those restoring an older motor or maintaining a collectible engine, using an NOS gasket helps preserve the originality of the engine.
Cons:1. Cost: NOS parts can be more expensive than used or aftermarket parts. This gasket, in particular, may be more costly than a comparable used or aftermarket gasket.
2. Obtaining the Part: Finding and purchasing a NOS gasket may require more effort and time compared to purchasing a used or aftermarket part. It may be necessary to contact specialized dealers, suppliers, or even manufacturers directly.
3. No Immediate Availability: Since NOS parts are not in regular stock, it may take some time before the part can be shipped and received. This could delay engine repairs or maintenance.
Ending Conclusion:The decision to buy the Yamaha SR643 (858-11351-00) NOS cylinder base gasket depends on the individual's specific needs and priorities. The advantages of using a new, authentic OEM part with improved sealing performance and a perfect fit can outweigh the additional cost and time required to obtain it. However, for those on a tight budget or with less urgent repair needs, a used or aftermarket gasket may be a more cost-effective alternative. Ultimately, it is essential to consider the importance of the engine to the individual, the timeframe for repairs, and the budget before making a decision.
Brand new genuine Yamaha cylinder base gasket.