fits model: Rx50, Rx. make: Yamaha. year: 1983.

( Manufacturer Part Number: 5U7-11111-01-00 ), ( Part Type: Engine Motor Cylinder Piston )
The 5U7-11111-01-00 is a genuine Yamaha RX50 RX50 engine motor cylinder jug, manufactured in 1983. This cylinder jug is an essential component of the two-stroke, air-cooled, reed-valve, 49cc engine, which was a popular choice for off-road enthusiasts in the 80s.
The cylinder jug, also known as the cylinder head, is a critical part of the engine that houses the combustion chamber and the piston. This particular jug is made of high-quality aluminum alloy, known for its durability and heat resistance. The cylinder jug features a single overhead camshaft (SOHC) design, which provides smooth and efficient power delivery.
The cylinder jug comes with a bore size of 40mm and a stroke length of 37mm. The combustion chamber is designed to optimize the air-fuel mixture for efficient combustion, ensuring optimal engine performance. The jug is also equipped with a reed valve intake system, which provides a simple and robust method of controlling the air intake into the engine.
The piston in this cylinder jug is also a crucial component. It is made of forged aluminum alloy and is precision-machined to fit perfectly into the cylinder. The piston features a compression ratio of 8.4:1, which helps to generate the necessary power for the engine. The piston also comes with a carburetor jet kit, which allows for easy tuning of the engine for different riding conditions.
In summary, the 5U7-11111-01-00 Yamaha RX50 RX50 engine motor cylinder jug is a high-quality part that is essential for the proper functioning of the RX50 engine. It is made of durable materials and features a SOHC design for efficient power delivery. The combustion chamber and piston are optimized for efficient combustion and power output, making this a valuable component for any RX50 enthusiast or collector.
Pros of buying 5U7-11111-01-00 1983 Yamaha RX50 engine motor:1. Affordability: This motor is relatively inexpensive compared to new replacement parts or buying a fully functional bike.
2. Availability: Older motorcycle parts are often easier to find and purchase due to their longevity in the market.
3. Potential for Restoration: If you're into motorcycle restoration, this motor could be a great starting point for a project.
4. Compatibility: This motor might be compatible with other models or parts, giving you more options for customization.
Cons of buying 5U7-11111-01-00 1983 Yamaha RX50 engine motor:1. Unknown Condition: The motor's condition is unknown without inspecting it, which might require additional repairs or upgrades.
2. Compatibility Issues: The motor might not be a direct fit for your bike, requiring additional modifications.
3. Lack of Warranty: Since this is a used part, it may not come with a warranty, which could potentially lead to additional costs if there are any issues with the motor.
4. Quality Concerns: The motor's age might mean that some of its internal components have degraded over time, affecting its performance and lifespan.
Conclusion:Buying the 5U7-11111-01-00 1983 Yamaha RX50 engine motor can be a cost-effective solution if you're looking for a replacement part or are into motorcycle restoration. However, the motor's unknown condition, potential compatibility issues, lack of warranty, and quality concerns should be considered before making a purchase. It's recommended to thoroughly inspect the motor before purchasing and weigh the pros and cons based on your specific needs and budget.
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