fits model: Yz125. make: Yamaha. year: 1983–1984.

( Manufacturer Part Number: 39W-11311-00-00 ), ( Type: Cylinder With Piston )
The 39W-11311-00-00 product is a high-quality replacement cylinder jug and piston set for the 1984 Yamaha YZ125. This component is designed to fit perfectly into your 1983 YZ125, ensuring a seamless installation process and optimal performance.
The cylinder jug, with part number 39W-11311-00, is made from durable materials that can withstand the rigors of off-road racing or recreational riding. It features a precise bore size of 56.286mm, ensuring a perfect match with the original piston and ring set. The cylinder jug is also designed with optimal cooling capabilities, which helps to maintain engine temperature and reduce the risk of overheating.
The piston, a crucial part of the engine, plays a significant role in transferring power from the combustion chamber to the crankshaft. The included piston is specifically designed for the 1984 YZ125 and is made from high-quality materials that can withstand the high temperatures and pressures encountered in a two-stroke engine. The piston features a compression ratio of 8.0:1, which provides the necessary power and efficiency for your YZ125.
This replacement set is an excellent choice for anyone looking to maintain the performance of their 1984 Yamaha YZ125 or for those who are looking to restore a classic motorcycle. With its accurate fit, high-quality materials, and precise specifications, this replacement set is sure to provide reliable and long-lasting performance.
Pros of buying a 39W-11311-00-00 1984 Yamaha YZ125 Cylinder Jug Piston:1. Authenticity: This part is a genuine OEM (Original Equipment Manufacturer) part, which means it is made by Yamaha and is designed to fit and function perfectly in your 1984 YZ125.
2. Quality: Yamaha is known for its high-quality products, and this part is no exception. It is made to last and provide optimal performance.
3. Compatibility: This part is specifically designed for the 1984 Yamaha YZ125, so you can be sure it will fit and work correctly in your bike.
4. Availability: Since it is a common part, it is easy to find and replace if needed.
Cons of buying a 39W-11311-00-00 1984 Yamaha YZ125 Cylinder Jug Piston:1. Price: OEM parts can be more expensive than aftermarket alternatives. While the quality and fit are worth the investment for some, others may be looking for a more budget-friendly option.
2. Availability: While this part is common, it may not be available immediately from all retailers. You may need to wait a few days or even a week for delivery.
3. Fit and function: While this part is designed to fit and function perfectly in your bike, there is always a chance that there may be an issue with the fit or function. However, this is a rare occurrence with OEM parts.
Conclusion:If you are looking for a high-quality, reliable part for your 1984 Yamaha YZ125, the 39W-11311-00-00 Cylinder Jug Piston is a great option. While it may be more expensive than some aftermarket alternatives, its authenticity, quality, and compatibility make it a worthwhile investment for many riders. However, if you are looking for a more budget-friendly option, you may want to consider an aftermarket alternative.
Recommendation:If you are looking for a high-quality, reliable part for your 1984 Yamaha YZ125, I would recommend the 39W-11311-00-00 Cylinder Jug Piston. While it may be more expensive than some aftermarket alternatives, the peace of mind and performance benefits that come with an OEM part make it a worthwhile investment. However, if budget is a concern, you may want to consider an aftermarket alternative that meets your specific needs and requirements.
Jug measures 56. 286mm, and looks like its been recently honed, but not chambered. Lots of life left on this one.
286mm 1983 this cylinder with piston is in very good condition and shows normal signs of wear. Box van moot 1984 Yamaha YZ125 cylinder bore jug piston 39w. 5mm, and you'll still have 4 more overbore.
Removed from: 1984 Yamaha YZ125 with miles please review all pictures to assess the condition of item.
Piston has some scuffs. In our opinion, this cylinder should be bored to the next size.