fits model: Yz250, Yz, 250. make: Yamaha. year: 1994.

( Manufacturer Part Number: 4EW-11111-00-00 ), ( Part Type: Engine Cylinder ), ( Iwms Reference Number: 250.yz.194 )
The product at hand is a cylinder jug or barrel top for the 1994 Yamaha YZ250 YZ250 model, specifically identified by the part number 4ew-11111-00-00. This component is an essential part of the engine, responsible for housing the piston and combustion chamber.
Unfortunately, this particular cylinder jug has developed pitting on its surface. Pitting is a form of wear that appears as small, shallow craters on the metal surface. While this may not necessarily affect the engine's overall performance immediately, it can potentially lead to future issues such as decreased engine efficiency, increased oil consumption, and even engine failure if left unaddressed.
The cylinder jug in question is manufactured by Yamaha, ensuring a perfect fit and compatibility with your YZ250 YZ250 engine. The replacement part is made from high-quality materials, ensuring durability and reliability. Installing a new cylinder jug can significantly improve engine performance and extend the lifespan of your engine.
To install, follow Yamaha's official repair manual for your specific model. Always ensure that you have the necessary tools and safety equipment before attempting any repairs. If you're unsure about the installation process, consider seeking professional assistance to avoid any potential damage to the engine.
In conclusion, this 4ew-11111-00-00 Yamaha YZ250 YZ250 cylinder jug is an essential replacement part for your engine. Its pitted surface may indicate wear and potential future engine issues, making it a worthwhile investment to restore your engine's performance and longevity.
Pros of buying a 1994 Yamaha YZ250 with a pitted cylinder barrel:1. Affordability: Due to the minor issue with the cylinder barrel, the price of this bike may be significantly lower than a similar bike in good condition.
2. Potential for Restoration: For individuals with mechanical skills, this bike could be an excellent project to restore to its original condition.
3. Parts Availability: Older models like the 1994 YZ250 have a wide range of aftermarket parts available, making it easier to find replacement parts for the pitted cylinder barrel.
Cons of buying a 1994 Yamaha YZ250 with a pitted cylinder barrel:1. Unknown Extent of Damage: It's difficult to determine the extent of the damage to the cylinder barrel without a thorough inspection. This could mean additional costly repairs.
2. Time-Consuming: Restoring the bike may take a significant amount of time, depending on the individual's mechanical skills and availability.
3. Risk of Engine Failure: If the pitting is severe, it could potentially lead to engine failure, which would be more expensive to fix than buying a bike in better condition.
Conclusion: Buying a 1994 Yamaha YZ250 with a pitted cylinder barrel may be a good option for individuals with mechanical skills and a passion for restoring old bikes. However, it's essential to be aware of the potential costs and time involved in the restoration process. If the damage to the cylinder barrel is severe, it may be more cost-effective to purchase a bike in better condition. It's recommended to have the bike inspected by a professional mechanic before making a decision.
The head is pitted. Take a look at the pictures as they indicate condition of item.
This item will fit Yamaha YZ250 dirt bike model's. Refer to the part compatibility section for more compatible model's.