
( Brand: Lycoming ), ( Manufacturer Part Number: 167-25 ), ( Part Type: Cylinder Engine )
The Lycoming 167-25 O-435-4 standalone cylinder is a high-performance, four-stroke, horizontally opposed, air-cooled engine specifically designed for aviation applications. This cylinder is a vital component of the Lycoming O-435 series engines, renowned for their reliability and power efficiency.
The Lycoming 167-25 O-435-4 cylinder features a displacement of 250 cubic inches, which translates to a substantial power output. It is equipped with a compression ratio of 6.5:1, ensuring optimal combustion and efficiency. The cylinder is constructed from high-quality aluminum alloys, ensuring lightweight yet robust performance.
The cylinder head is equipped with a single-valve, over-head-valve (OHV) design, which provides a balance between power and fuel efficiency. The valve train consists of a hydraulic lifter system, ensuring smooth operation and long lifespan.
The Lycoming 167-25 O-435-4 standalone cylinder features a carbureted fuel system, which allows for easy tuning and adjustment. The cylinder is also equipped with a high-capacity oiling system, ensuring proper lubrication of the moving parts for maximum engine life.
This standalone cylinder is designed to meet the rigorous demands of aviation applications. It is built to withstand the harsh conditions of flight, including extreme temperatures and vibrations. The cylinder is also equipped with a number of safety features, including a pressure relief valve and a metal-to-metal piston pin, ensuring safe operation in case of any unexpected events.
In summary, the Lycoming 167-25 O-435-4 standalone cylinder is a high-performance, reliable, and robust engine component, designed for aviation applications. It offers a balance between power, fuel efficiency, and durability, making it an ideal choice for pilots and aircraft owners seeking a reliable power source for their aircraft.
Pros of buying a Lycoming 167-25 O-435-4 engine:1. Reliability: The Lycoming O-435 series engine is known for its high reliability and longevity. It has a reputation for being a workhorse, capable of providing many hours of service.
2. Power: The O-435-4 engine delivers 180 horsepower, making it a powerful choice for many aircraft. This power can help improve cruise speed and climb performance.
3. Ease of maintenance: The O-435-4 engine is known for its ease of maintenance. It has a number of features that make it easy to service, such as easy-to-reach components and a long, easy-to-change oil filter.
4. Availability of parts: The O-435-4 engine is a widely used engine, so replacement parts are readily available. This can help keep maintenance costs down and ensure that repairs can be made quickly in the event of a problem.
Cons of buying a Lycoming 167-25 O-435-4 engine:1. Cost: The O-435-4 engine can be more expensive than some other options on the market. This can make it a more expensive choice for some aircraft owners.
2. Weight: The O-435-4 engine is a heavier engine than some other options, which can impact the overall weight and performance of the aircraft.
3. Fuel consumption: The O-435-4 engine has a higher fuel consumption than some other engines, which can increase operating costs.
Conclusion:The Lycoming 167-25 O-435-4 engine is a reliable and powerful choice for many aircraft. Its ease of maintenance and availability of parts can help keep maintenance costs down, and its high power output can improve the performance of the aircraft. However, its higher cost, weight, and fuel consumption can be drawbacks for some. Ultimately, the decision to purchase the O-435-4 engine will depend on the specific needs and budget of the aircraft owner.
Recommendation:If the aircraft owner is looking for a reliable and powerful engine that is easy to maintain, the Lycoming 167-25 O-435-4 engine could be a good choice. However, they should consider the higher cost, weight, and fuel consumption and weigh these factors against the engine's benefits. If these drawbacks are a concern, they may want to consider other engine options that may be more suitable for their needs.
No logs or other information known. Showing a tag of cylinder 5 piston needs oil ring. Engine is mounted to a solid steel heavy duty rotating stand on casters. Lycoming Aviation Engine Air force model O-435-4 MFG # 157-25 6 cylinder right hand being sold complete as shown in photos.
Engine has been stored away in dry storage for 15 years.