
( Brand: Cuyuna ), ( Manufacturer Part Number: 291-86-902-000 ), ( Part Type: Engine Crankshaft ), ( Compatible Make: Cuyuna-2si 428/430/430r/440/ulii-02 )
The 428-430-430r-440-ULII-02 Cuyuna 2SI engine crankshaft (291-86-902, 291-86-902-000) is a high-quality component designed for use in two-stroke, four-stroke, and rotary engine applications. This crankshaft is manufactured with precision and attention to detail, ensuring optimal performance and longevity.
The crankshaft features a forged steel construction, which provides superior strength and durability. The material is heat-treated to enhance its properties, resulting in improved fatigue resistance and wear resistance. This ensures that the crankshaft can withstand the high loads and pressures associated with engine operation, while also providing smooth and reliable power delivery.
The crankshaft is designed with a polished finish, which not only enhances its aesthetic appeal but also reduces friction and wear between the crankshaft and other engine components. This results in improved engine efficiency and reduced power loss, leading to better overall engine performance.
The crankshaft is also precision-balanced to reduce vibrations and improve engine smoothness. This balancing process eliminates any imbalances that could lead to engine misfires, noise, or excessive wear. This results in a more comfortable and quiet engine operation, as well as improved engine life.
The 428-430-430r-440-ULII-02 Cuyuna 2SI engine crankshaft is a direct replacement for the original equipment manufacturer (OEM) crankshaft, making it an easy and straightforward upgrade or replacement option. The crankshaft is also backed by a warranty, providing peace of mind to the customer.
In summary, the 428-430-430r-440-ULII-02 Cuyuna 2SI engine crankshaft is a high-quality, durable, and reliable component designed to improve engine performance, reduce wear and vibrations, and enhance overall engine life. With its precision-balanced design and polished finish, this crankshaft is an excellent upgrade or replacement option for any engine.
Pros of buying a 428-430-430r-440-ULII-02 Cuyuna 2SI engine crankshaft 291-86-902:1. High-quality material: This crankshaft is made of forged steel, which is known for its durability and strength, making it a reliable choice for engine operation.
2. Precision manufacturing: The crankshaft is manufactured with high precision, ensuring that the crankpin and journal dimensions are accurate, reducing the risk of engine damage from misalignment or wear.
3. Wide application: The crankshaft is compatible with various engine models, making it a versatile option for engine repairs or upgrades.
4. OEM replacement: This crankshaft is an original equipment manufacturer (OEM) replacement, ensuring that it meets the original specifications of the engine and provides a factory-like fit.
Cons of buying a 428-430-430r-440-ULII-02 Cuyuna 2SI engine crankshaft 291-86-902:1. High cost: This crankshaft is relatively expensive compared to aftermarket alternatives, which may be a deterrent for some customers.
2. Limited availability: Due to its high quality and OEM status, this crankshaft may not be as widely available as aftermarket alternatives, which could lead to longer waiting times for delivery or replacement.
Conclusion:The 428-430-430r-440-ULII-02 Cuyuna 2SI engine crankshaft 291-86-902 is a high-quality option for engine repairs or upgrades. Its precision manufacturing, durability, and wide application make it a reliable choice for maintaining engine performance and longevity. However, its high cost and limited availability may be a drawback for some customers. Ultimately, the decision to purchase this crankshaft should be based on the specific needs and budget of the customer.
Recommendation:If budget is not a concern and the customer values high-quality OEM replacement parts, then the 428-430-430r-440-ULII-02 Cuyuna 2SI engine crankshaft 291-86-902 is an excellent choice. However, if cost is a concern or the customer prefers aftermarket alternatives, then other options should be considered based on the specific engine model and application requirements.
Crank would be perfect for the guy who is into a rebuild and WHO's looking good used low hour or maybe just wants spare. Above I have attached 5 pictures of the crank to give you a better idea condition and style.
As noted above this crank was pulled from 430r ul engine, but and model used on many of the Cuyuna, 2si, Rockwell-Cuyuna, Jo-Cuyuna ulii, 430, 440 engines. L aircraft Cuyuna parts, ulii-02 engine Jo Rockwell 440 crankshaft, crank, 460 crank, ignition 340 403r ultralight crankshaft.this set-up was just pulled from a 430r engine that we took in. 95 in the us.
430r crankshaft, 428 430 crank, ultralight parts, 440 ulii-02 rod, 340 scat hovercraft ul aircraft 2si crankshaft, us. What I have up for bids here is a good used and completely original Cuyuna 430 crankshaft assembly fitting all of the 428, 440, 430, 430r Cuyuna, 2si, Rockwell-Cuyuna, Jo-Rockwell ulii-02 engines running this style. Please review before buying.
Crank is in good condition and was pulled from an engine with 135hr time on it.