fits make: Yamaha. year: 1964-65.

( Manufacturer Part Number: 113-11636-02 ), ( Type: Piston )
Introducing the Yamaha 1964-1965 YJ1 YJ2 50cc Motorcycle Piston, an essential part for the restoration or maintenance of your classic Yamaha YJ1 or YJ2 motorcycle from the mid-1960s. This piston is specifically designed to fit engines with model numbers YJ1 and YJ2.
Constructed from high-quality forged aluminum alloy, this piston boasts superior durability and increased performance. The thin-skirt design helps to reduce the weight and improve engine response. The piston features a compression height of 28.2mm and a piston diameter of 64.5mm. It ensures a snug fit in the cylinder bore for optimal engine performance.
The piston crown is engineered with an optimal combustion chamber shape, which aids in efficient fuel-air mixture ignition and ensures that your engine runs smoothly and efficiently. This piston comes with a compressive ring set, including a compression ring, oil control ring, and a groove accommodating an optional gudgeon pin.
In addition, the piston ring grooves have been engineered with a precision horizontal ring joint, which provides maximum sealing and longevity. The piston also includes a piston pin and piston pin bore broach for a perfect fit and seamless installation. This genuine Yamaha replacement part guarantees OEM (original equipment manufacturer) quality and reliability for your motorcycle.
Upgrade your classic Yamaha YJ1 or YJ2 50cc engine with the 1964-1965 Yamaha YJ1 YJ2 50cc Motorcycle Piston (113-11636-02), and enjoy the high-performing and enjoyable riding experience for which these motorcycles were known. This replacement piston is an essential investment for dedicated classic motorcycle enthusiasts seeking authenticity and superior aftermarket parts.
The Yamaha 113-11636-02 piston, designed for YJ1 and YJ2 engines from 1964-1965, could be an essential upgrade for your vintage motorcycle. To help make an informed decision, consider the following pros and cons before investing in this part.
Pros:1. OEM Replacement: This piston is made by Yamaha, ensuring optimal fitment, reliability, and compatibility with the engine.
2. Improved Performance: The new piston design may provide better engine efficiency and enhanced power delivery due to advancements in material technology.
3. Longer Durability: Upgrading to a new piston can lead to increased engine life, potentially saving you money in the long run by preventing future engine damage.
4. Smoother Operation: A new piston can lead to better engine performance and smoother operation, reducing vibrations and potentially improving overall riding experience.
Cons:1. Cost: Replacing a piston can be an expensive investment, particularly for a vintage motorcycle. It may be more cost-effective to restore the entire engine or consider alternative engine options.
2. Availability: Finding a suitable matching piston for a vintage engine can be challenging due to the age and scarcity of the part. You might need to look beyond regular parts retailers and sourcing options include contacting specialty shops and restoration specialists.
3. Installation complexity: Installing a new piston involves engine disassembly, which can be a complex and time-consuming process. Hiring a professional mechanic or engine builder might be required, adding additional costs.
Conclusion:Identifying the purpose and goals of your motorcycle project is crucial when deciding whether to purchase the Yamaha 113-11636-02 piston. If overall engine performance, reliability, and compatibility are your main priorities, this OEM piston may be a suitable investment. On the other hand, if cost and complexity are significant concerns, alternative options might be worth exploring, such as rebuilding the engine without replacing the piston or upgrading the engine entirely.
Recommendation: Before deciding on the Yamaha 113-11636-02 piston, consider the following steps:1. Assess the condition of the existing engine and focus on any pressing performance issues or concerns.
2. Research alternative engine options that might offer better economic, functional, or practical benefits.
3. Inspect the compatibility and availability of new pistons for your engine model, making sure to consider all potential costs including installation.
4. If you choose to proceed, obtain the new piston from a reputable dealer or Yamaha specialist to ensure authenticity and quality.
Hopefully, this analysis will offer a clear understanding of the advantages and disadvantages of purchasing a Yamaha 113-11636-02 piston and help guide your motorcycle restoration project.
It is for 1964-65 Yamaha YJ1 and YJ2 motorcycles. The Yamaha part number is 113-11636-02. Sorry for the bad picture, I did not want to open unopened original box. This is for piston only, I do not have any rings this.
Free shipping in the USA This is a new 50 over Yamaha piston.