fits model: Yz125. make: Yamaha. year: 1994–1997.

( Manufacturer Part Number: 4JY-11631-02-A0 ), ( Type: Cylinder With Piston )
The 4jy-11631-02-a0 engine cylinder jug for the Yamaha YZ125 is a critical component of the motor's internal combustion system. This high-quality cylinder jug is designed to house the piston and provide the chamber where the combustion process occurs, propelling the engine forward.
The cylinder jug is made from a durable and lightweight material, typically aluminum, to ensure optimal engine performance and longevity. It features a precise bore diameter and honing to ensure a perfect fit with the piston and ring gaps, reducing engine wear and improving efficiency.
The 4jy-11631-02-a0 cylinder jug is part of the 4ss-11311-00-00 and 4ss-11311-21-00 piston kits, which are specifically designed for the Yamaha YZ125 engine. These kits include the piston, piston pin, piston rings, and other necessary components for a complete cylinder replacement or rebuild.
In summary, the 4jy-11631-02-a0 cylinder jug is an essential upgrade or replacement part for the Yamaha YZ125 engine. Its precise fit, durability, and high-quality materials ensure improved engine performance, increased efficiency, and extended engine life.
Pros of buying 4jy-11631-02-a0 Yamaha YZ125 engine motor cylinder jug, piston (4ss-11311-00-00, 4ss-11311-21-00):1. High-quality parts: Yamaha is a reputable brand known for producing high-quality engine parts. This component is likely to be well-made and durable.
2. Availability: As this is a common part for the Yamaha YZ125, it should be easy to find and purchase from various online and offline retailers.
3. Compatibility: This part is specifically designed for the YZ125 model, which ensures a perfect fit and minimal modifications required.
Cons of buying 4jy-11631-02-a0 Yamaha YZ125 engine motor cylinder jug, piston (4ss-11311-00-00, 4ss-11311-21-00):1. Price: High-quality parts like this one usually come at a higher cost, which may be a disadvantage for some budget-conscious buyers.
2. Potential for misuse: If not installed correctly or used improperly, this part could lead to engine damage or other issues, resulting in additional repair or maintenance costs.
Conclusion:While the cost may be a drawback, the benefits of purchasing high-quality parts from a well-known brand like Yamaha outweigh the disadvantages. The part's compatibility and availability make it an attractive option for YZ125 owners. Just ensure that you have the expertise to install the part correctly or consult a professional mechanic to avoid any potential issues.
Recommendation:If you are in need of a replacement engine motor cylinder jug and piston for your Yamaha YZ125, the 4jy-11631-02-a0 (4ss-11311-00-00, 4ss-11311-21-00) is a reliable choice. Make sure to install it correctly to maximize its lifespan and performance. Consider consulting a professional mechanic if you are unsure about the installation process.
Was pulled from running bike, could use a hone as does have some light scratches. Removed from: 1996 Yamaha YZ125 with miles please review all pictures to assess the condition of item.
Rpm power sports Yamaha YZ125 engine motor cylinder bore jug piston 4jy a0 this with is in OK condition and shows normal signs of wear.