Up for sale is a genuine O.S. Max .46 FX two-stroke nitro engine. Known as a workhorse in the RC world, this engine offers a great balance of high RPM power and easy tuning for .40 to .46 size sport and aerobatic planes.

Condition Details (Please Read)

Mechanical: The engine has excellent compression and the crankshaft rotates freely and smoothly.

Cosmetic Note: There is minor damage to two of the cooling fins on the cylinder head—one fin is cracked and one has a small piece broken off.

Performance: This damage is purely cosmetic and does not affect the engine's mounting, cooling, or internal performance. It is still a high-performance runner.

Carburetor: The front-mounted carb is clean, and the remote needle valve setup is intact for safe tuning.

Included in this Listing:

O.S. Max .46 FX Engine

White Spinner & Backplate

Propeller (as pictured)

Fuel line segment

Technical Specs:

Displacement: .455 cu in (7.45 cc)

Practical RPM: 2,000 - 17,000

Weight: 13.2 oz (without muffler)

Please examine the photos closely to see the condition of the fins. Sold as-is, a great opportunity to get a top-tier O.S. engine at a discount due to the cosmetic fin wear.