I believe this to be new old stock. Please check pictures closely to make your own determination.

Zenoah G230RC Engine - featuring a tunable Walbro WT-603 HP Carburetor with choke. The G230RC motor is a lightweight design, with improved features over the old G23LH Motor. Features improved cylinder, piston, gaskets, carb, crankshaft, crankcase, exhaust, and flywheel. The intake and exhaust ports were widened for improved performance.

Fits Goped Scooters with 54mm Clutch transmission or Spindle Drive, RC Car, Boat, Truck, Helicopter and Airplanes.

22.5cc 2 stroke engine

2.5HP

An amazing 14,000 RPM

Compression ratio of 8.8:1

Torque - 1.3 ft/lbs @ 10,000 RPM

Fuel: 95 octane or higher mixed 25:1 with 2-stroke oil