fits model: 650, Xs. make: Yamaha. year: 1970–1973.

( Manufacturer Part Number: 49-0666 ), ( Part Type: Bolt Engine ), ( Country/region Of Manufacture: Unknown )
The 49-0666 Yamaha Bolt 650 1970 XS 73 Engine Set is a powerful and reliable replacement engine for your classic Yamaha motorcycle. This engine set is specifically designed for the 1970 XS 73 model, ensuring a perfect fit and optimal performance.
The engine set includes all the necessary components, including the cylinder head, crankshaft, pistons, connecting rods, and other essential engine parts. The cylinder head is made from high-quality aluminum alloy, which provides excellent heat dissipation and durability. The crankshaft is precision-machined, ensuring smooth operation and long-lasting performance.
The pistons are forged from high-strength aluminum alloy, providing excellent strength and durability. The connecting rods are also made from high-quality material, ensuring a strong and reliable connection between the pistons and the crankshaft.
The engine set is designed to deliver excellent power and torque, making it ideal for both street and track use. The engine is equipped with a high-compression piston, which allows for efficient combustion and improved fuel economy. The engine also features a high-flow intake and exhaust system, which provides optimal airflow and power delivery.
The engine set is easy to install, with clear and detailed installation instructions included. The engine set comes with all the necessary hardware, including bolts, nuts, and gaskets. The engine set is also backed by a 1-year warranty, providing peace of mind and assurance of quality.
In summary, the 49-0666 Yamaha Bolt 650 1970 XS 73 Engine Set is a high-performance and reliable replacement engine for your classic Yamaha motorcycle. With its high-quality components, easy installation, and excellent power and torque, this engine set is an excellent choice for any classic motorcycle enthusiast.
Pros of buying a 49-0666 Yamaha Bolt 650 1970 XS 73 engine set:1. Authenticity: This engine set is an original part for the 1970 Yamaha XS 73, ensuring compatibility and reliability.
2. Availability: Replacing an engine can be a cost-effective solution compared to restoring or replacing the entire motorcycle, making this engine set a valuable option for bike enthusiasts.
3. Performance: The Bolt 650 engine is known for its robustness and reliability, providing good power and torque, which can improve the overall performance of the motorcycle.
Cons of buying a 49-0666 Yamaha Bolt 650 1970 XS 73 engine set:1. Age: The engine set is over 50 years old, which may lead to potential issues such as wear and tear, corrosion, or parts becoming obsolete.
2. Finding spare parts: Older parts may be harder to find, and the cost of sourcing parts could add up over time.
3. Skill level: Installing an engine set can be a complex and time-consuming process, requiring specialized tools and skills.
Conclusion:The 49-0666 Yamaha Bolt 650 1970 XS 73 engine set is an appealing option for motorcycle enthusiasts, as it offers the opportunity to restore a classic bike to its former glory. However, potential buyers should be aware of the challenges that come with an older engine set, such as the need for specialized tools, spare parts, and a mechanic's expertise.
Recommendation:Before making a purchase, it is essential to thoroughly research the engine set's condition, any necessary repairs or modifications, and the availability of spare parts. It is also a good idea to consult with a mechanic to ensure that the installation process will not be overly complicated or expensive. In summary, while the 49-0666 Yamaha Bolt 650 1970 XS 73 engine set has its merits, it is crucial to consider the potential drawbacks before proceeding with the purchase.
I am happy to combine shipping when possible.
Yamaha Xs 650 engine bolt set incl.