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Engine Model: YF-23. Designer: Beijing Wan Yuan. Propellants: N2O4/UDMH. Thrust(vac): 11.000 kN (2,472 lbf). Thrust(sl): 10.200 kN (2,293 lbf). Isp: 282 sec. Isp (sea level): 260 sec. Diameter: 0.10 m (0.32 ft). Chambers: 1. Thrust to Weight Ratio: 0.00. Country: China. Status: In Production.

Used as vernier motor with YF-22 and YF-25.

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