This is an AI generated description. I could never write something so flowery! It's all true, but geez!

Introducing the O.S. FS-91 Surpass 35900 Engine, a high-performance 4-stroke engine compatible with various airplane models. Made in Japan, this engine has a displacement of 14.96 cc / .913 cu in and is compatible with nitro and glow fuel.

With features such as four-stroke single and a compatible scale of 1:4, 1:5, and 1:6, this engine is perfect for hobbyists aged 12 and up.

New, OS is as good as they get.