The CPI supplied AJP PR4 Enduro engine from Taiwan is basically a copy of old Honda single cylinder motors, with a few modern tweaks. They do the job, but the AJP PR4 Enduro feels a bit flat, a little crude and buzzy compared to modern day Honda/Yamaha/Suzuki 125cc/200cc motorcycles. The AJP 200 has very good economy however, if you want an enduro style commuter motorcycle.