fits model: Sl292, Sm292, Gs300, Std. make: Yamaha. year: 1971-73–1976-77.

( Part Type: Piston ), ( UPC: 839116310096 )
Product Description for Yamaha NOS (New Old Stock) Piston: 839-11631-00-96
This Yamaha NOS piston, with part number 839-11631-00-96, is an authentic and original component backed by years of heritage and reliability. It is designed specifically for use in select Yamaha motorcycle models, including the SL292 from the year range of 1971 to 1973, the SM292 from 1973 to 1974, and the GS300 from 1976 to 1977. This piston is considered standard for those model years.
This NOS piston boasts a piston bore diameter of 73mm, making it a precise fit for the specified Yamaha engines. It is meticulously crafted from high-quality materials, ensuring durability and superior performance. This piston undergoes rigorous testing to ensure it meets Yamaha's stringent quality standards, providing the assurance that it will function optimally in your motorcycle engine.
By installing the 839-11631-00-96 piston, you're not only retaining the OEM character of your motorcycle but also enhancing its performance. Given its NOS status, you're assured of the originality of the part. This piston has remained unused, maintaining its original condition, retaining the prestige of being a genuine Yamaha component.
In summary, this 73mm Yamaha NOS piston, part number 839-11631-00-96, is a valuable investment for Yamaha motorcycle enthusiasts who seek authentic, high-performing components to restore or upgrade their classic motorcycles. With its precision-engineered design, durability, and original condition, this component is an excellent addition to any Yamaha enthusiast's collection.
The Yamaha NOS (New Old Stock) piston 839-11631-00-96 is designed for Yamaha motorcycles from 1971 to 1977, including models like SL292, SM292, GS300, and standard versions. Here are the potential pros and cons of buying this part:
Pros:1. Original Equipment: This Yamaha NOS piston is an original equipment manufacturer's part a direct replacement for the original piston in your motorcycle.
2. Quality Assurance: NOS parts have been stored properly for an extended period, ensuring the highest possible quality and longevity.
3. Better Performance: A new piston can lead to improved combustion efficiency, power output, and engine longevity.
4. Increased Durability: New pistons are inherently more durable than rebuilt or used pistons, providing peace of mind for concerned motorcycle enthusiasts.
5. OEM Fitment: This piston is specifically designed for the mentioned Yamaha motorcycle models, ensuring perfect compatibility and installation without issues.
Cons:1. Cost: NOS parts tend to be more expensive than rebuilt or used parts, making them a less accessible choice for budget-conscious buyers.
2. No Instant Gratification: Unlike ordering a used or rebuilt part, NOS parts generally require a longer waiting time to arrive due to their availability.
3. No Adaptability: There may not be any improvement to power or performance beyond what the original specifications provided, depending on your engine modifications.
Conclusion:Buying a Yamaha NOS piston (839-11631-00-96) for 1971-1977 Yamaha motorcycles comes with both benefits and drawbacks. The pros include having an original equipment part with a high degree of quality and ensuring better performance and durability. However, the cons involve the higher cost and extended waiting time. Ultimately, NOS pistons are a recommended option for those who prioritize authenticity, performance, and a long-lasting solution. Motorcycle enthusiasts on a tighter budget should consider rebuilt or used pistons as an alternative.