fits model: Tt500, Xt500, Sr500. make: Yamaha. year: 1979.

( Manufacturer Part Number: 583-12288-00 ), ( Part Type: Valve Spring Cam ), ( Placement On Vehicle: Front ), ( Surface Finish: N/a ), ( Country/region Of Manufacture: Japan )
The 583-12288-00 decompression cam valve spring is a crucial component for the 1979 to 1981 Yamaha TT500, XT500, and SR500 motorcycles. This high-quality part is specifically designed to enhance the performance and reliability of your engine's decompression system.
The decompression cam valve spring is responsible for controlling the opening and closing of the intake valve during engine startup. By providing the necessary force, it ensures smooth engine operation and guarantees a trouble-free start, even in cold conditions.
This particular decompression cam valve spring carries the part numbers 90508-16303 and 90109-06418, ensuring compatibility with your Yamaha model. Made from top-notch materials, this valve spring is engineered to withstand the rigors of high-performance engine operation, delivering consistent performance and reliability.
When you install this decompression cam valve spring, you're investing in the longevity and efficiency of your engine. It's a simple yet impactful upgrade that can contribute to improved engine performance and a more enjoyable riding experience.
So, if you're looking to upgrade your Yamaha TT500, XT500, or SR500 motorcycle, don't overlook the importance of a high-quality decompression cam valve spring. The 583-12288-00 is an excellent choice, offering the perfect blend of performance and reliability for your beloved bike.
The part you're interested in is a decompression cam and valve spring for Yamaha TT500, XT500, and SR500 models from 1979 to 1981. Here are some pros and cons of buying and installing this part:
Pros:1. Improved engine performance: The decompression cam and valve spring can help improve engine performance by reducing the amount of compression required to start the engine, resulting in easier ignition and smoother operation.
2. Reduced engine wear: By reducing the amount of compression required, the decompression cam and valve spring can also help reduce engine wear and tear, resulting in a longer lifespan for the engine components.
3. Cost-effective: Replacing the decompression cam and valve spring can be a cost-effective way to improve the performance of an older motorcycle, as compared to more expensive upgrades like replacing the engine or installing a performance kit.
Cons:1. Installation complexity: Installing a decompression cam and valve spring can be a complex task, requiring specialized tools and knowledge of engine mechanics. If you're not experienced with motorcycle repairs, it may be best to hire a professional mechanic to install the part for you.
2. Potential for damage: If the decompression cam and valve spring are not installed correctly, there is a risk of damaging the engine or other components. It's important to follow the manufacturer's instructions and recommendations carefully to avoid any issues.
3. Limited performance gain: While the decompression cam and valve spring can improve engine performance, it may not result in a significant increase in power or speed. If you're looking for a more substantial performance boost, you may need to consider other upgrades or modifications.
Conclusion:Overall, buying and installing a decompression cam and valve spring for your Yamaha TT500, XT500, or SR500 can be a worthwhile investment if you're looking to improve engine performance and reduce wear and tear. However, it's important to weigh the pros and cons carefully and consider hiring a professional mechanic if you're not experienced with motorcycle repairs.
Recommendation:If you decide to proceed with the installation, make sure to purchase the correct decompression cam and valve spring for your specific motorcycle model and year. Follow the manufacturer's instructions carefully and take your time during installation to avoid any potential damage. If you're not confident in your ability to install the part yourself, consider hiring a professional mechanic to ensure the job is done correctly.
The only exception to this would be defective items. The spring has plenty of tension.
The mounting bolt shown is included.
These are not included in the item price or shipping cost. The cam is steel and in great condition.
It is straight and shows no abnormal wear. This was removed from a running 1979 Yamaha xt5 frame 1e6-21x and engine 1e6-21x, but per will also fit: TT500 SR500 XT500yamaha oem part numbers: decompression cam, spring bolt up for sale is XT500 or valve.
This is not normal, very rare, there are usually no problems, but it does happen.
2 sp027 please look over all photos carefully and ask any questions before buying.