O.S. Engine OS-13941 21XM Version II High-Rev Buggy Engine  [OS-13941]

Compact Powerhouse: O.S. Engine OS-13941

The O.S. Engine OS-13941 is a purpose-built engine for RC car and buggy pilots seeking strong, consistent performance. Engineered with racers in mind, it balances power and dependability for track use and hobby running.

Careful Design for Precise Output

This OS-13941 features a 3.46cc displacement and is tuned to deliver 1.3ps at 25,000 RPM. The 16.6mm bore and 16.0mm stroke promote efficient combustion and a responsive throttle feel.

Wide RPM Window for Track Versatility

With a practical range from 3,000 to 25,000 RPM, the engine adapts to technical sections and high-speed straights alike, giving drivers usable power across race conditions.

Lightweight Build to Improve Handling

At 670g, the OS-13941 keeps mass low to aid chassis balance and acceleration without compromising durability for competitive use.

The O.S. Engine OS-13941 is well suited to racers who want a compact, high-revving motor with predictable power delivery and solid build quality.