fits model: Sx, 300, 250. make: Ktm. year: 1990–1993.

( Manufacturer Part Number: 54630006400 ), ( Part Type: Cylinder Head ), ( Country/region Of Manufacture: Austria )
The KTM 54630006400 cylinder head is a crucial component of the KTM 300 and 250 EXC SX models produced between 1990 and 1993. This part is designed to house the engine's combustion chamber, intake and exhaust valves, and other components essential for the proper functioning of the two-stroke engine.
The cylinder head is made from high-quality aluminum alloy, ensuring both lightweight and durability. It features a precise, multi-angle cylinder bore for optimal combustion and power delivery. The head also houses two intake and two exhaust valves, each equipped with a spring, retainer, and needle valve for precise control of the air-fuel mixture and exhaust gases.
The cylinder head also includes an oil pump and oil passages, ensuring adequate lubrication of the valves and other moving parts. The head is finished with a high-temperature coating to protect it from the intense heat generated within the engine.
Installation of the KTM 54630006400 cylinder head requires careful alignment and torquing of the bolts to ensure a proper seal and optimal performance. It is essential to follow the manufacturer's instructions carefully to avoid damage to the engine or the cylinder head.
In summary, the KTM 54630006400 cylinder head is a vital part of the KTM 300 and 250 EXC SX models, providing reliable performance and durability in even the most demanding off-road conditions. Its precise design and high-quality materials make it an excellent choice for maintaining or upgrading these classic motocross machines.
Pros of buying KTM 54630006400 (1990 90-93 300/250 EXC/SX Cylinder Head):1. High-quality construction: KTM is known for its robust and durable construction, and this cylinder head is no exception.
2. Compatibility: This cylinder head is compatible with KTM 300 and 250 EXC and SX models from 1990 to 1993, making it a versatile choice for collectors and enthusiasts.
3. Affordability: Compared to buying a fully restored or new KTM, buying a used cylinder head can be a more cost-effective option.
Cons of buying KTM 54630006400 (1990 90-93 300/250 EXC/SX Cylinder Head):1. Potential wear and tear: Used parts may have some wear and tear or damage, which could require additional repairs or replacements.
2. Unknown history: Without knowing the history of the cylinder head, it's difficult to know if it has been properly maintained or if it has any hidden issues.
3. Limited warranty: Used parts typically do not come with a warranty, which means the buyer is taking on the risk of any potential problems that may arise.
Conclusion:Buying a used KTM 54630006400 (1990 90-93 300/250 EXC/SX Cylinder Head) can be a cost-effective way to upgrade or maintain your KTM motorcycle. However, it's important to carefully inspect the cylinder head for any signs of wear or damage before making a purchase. Additionally, it may be beneficial to purchase from a reputable seller or dealer to ensure the quality of the part. Ultimately, the decision to buy a used cylinder head should be based on a careful evaluation of the pros and cons and a consideration of the potential costs and benefits.
Recommendation:If you are considering buying a used KTM 54630006400 (1990 90-93 300/250 EXC/SX Cylinder Head), I recommend doing your research and carefully inspecting the part before making a purchase. Consider buying from a reputable seller or dealer to reduce the risk of purchasing a low-quality part. Additionally, budget for any additional repairs or replacements that may be needed. With careful consideration and research, you can find a high-quality used cylinder head that will help you get the most out of your KTM motorcycle.
For sale is the cylinder head that was removed from a 1990 KTM 300. I do my best to describe the condition of parts in and pictures.