fits model: Yz450f, Wr450f. make: Yamaha. year: 2003–2006.

( Brand: Oem Yamaha ), ( Manufacturer Part Number: 5TA-11311-12-00 ), ( Part Type: Cylinder Piston Engine )
The 5TA-11311-12-00 is a top cylinder jug barrel piston engine specifically designed for the Yamaha YZ450F and WR450F models from the year 2003. This engine component is a critical part of the motorcycle's powertrain, responsible for converting the energy from the explosion of the fuel-air mixture into mechanical rotational force.
The jug barrel, also known as the cylinder barrel, is the portion of the engine where combustion takes place. This particular barrel is made of high-quality materials, ensuring durability and reliability under extreme operating conditions. The cylinder bore is precision-machined, ensuring optimal combustion chamber volume and efficient fuel-air mixture ignition.
The piston is another crucial component of this engine kit. It's designed to move up and down in the cylinder during each engine cycle, converting the force of the explosion into rotational force. This piston is made of a strong material that can withstand the high temperatures and pressures within the cylinder.
The top cylinder jug also houses the spark plug, which ignites the fuel-air mixture. This component is essential for the engine to operate. The timing of the spark plug ignition is carefully engineered to optimize combustion and engine performance.
The 5TA-11311-12-00 engine kit is a direct replacement for the original equipment manufacturer (OEM) part, ensuring a perfect fit and seamless installation into the Yamaha YZ450F or WR450F. This kit is an excellent choice for riders looking to upgrade their engine performance, or for those who need to replace worn-out or damaged parts. With its high-quality materials and precise engineering, this engine kit will provide reliable power and performance for many miles to come.
Pros of buying a 5TA-11311-12-00 2003 03-06 YZ450F/WR450F top cylinder jug, barrel, piston engine Yamaha Enduro:1. Affordability: Compared to a new engine, buying a used one can be significantly cheaper. This engine is a good option for those on a budget who still want to keep their Yamaha running.
2. Availability: Used parts are often easier to find than new ones, especially for older models. This means you're likely to find a compatible engine quickly.
3. Durability: Yamaha engines are known for their durability and reliability, which means you can expect this used engine to last for a while with proper maintenance.
Cons of buying a 5TA-11311-12-00 2003 03-06 YZ450F/WR450F top cylinder jug, barrel, piston engine Yamaha Enduro:1. Unknown History: You don't know the previous maintenance history or how the engine was treated by its previous owner. This could lead to unexpected repairs down the line.
2. Wear and Tear: Used engines may have some wear and tear, which could affect their performance. This could mean you'll need to replace certain parts sooner than you would with a new engine.
3. Compatibility Issues: While it's likely that this engine will be compatible with your Yamaha, there's always the possibility of compatibility issues. It's important to check with a mechanic or the Yamaha dealership before making a purchase to ensure compatibility.
Recommendation:Buying a used engine like the 5TA-11311-12-00 2003 03-06 YZ450F/WR450F top cylinder jug, barrel, piston engine Yamaha Enduro can be a cost-effective option for those looking to keep their Yamaha running. However, it's important to consider the potential drawbacks, such as unknown maintenance history and potential compatibility issues. It's always a good idea to have the engine inspected by a mechanic before making a purchase to ensure it's in good condition and will work well in your Yamaha. If you're unsure, it might be worth spending a little more on a new engine to avoid potential problems down the line. Ultimately, the decision to buy a used engine should be based on your budget, the condition of the engine, and your comfort level with taking on potential issues.
The cylinder wall is in good shape, its not scraped or damaged.
Coolant ports are not damaged. Cylinder with matching piston assembly. 2003 Yamaha YZ450F: cylinder and piston.
Gasket surfaces are in good condition. Cylinder with matching piston will fit WR450F, YZ450F.
Judging by the condition of this top end, it looks like a very fresh bike.
Nasal cylinder mirror looks great.
Incredible deal on genuine parts. Please refer to the part number 5ta for fitment. Threads are in great shape.
I will do my best to resolve the issue.
In any situation if your machine is different from the above listed - double check with dealer about fitment years and model's.
This is a very nice cylinder that came off of perfectly running bike.