Chung Yang CY29RC engine (35mm bore, 30mm stroke - 28.9cc) with Walbro WT-668 carb. Includes 54mm inner clutch assembly pre-installed. Ready to bolt-on. 3.5 horsepower.
This custom-built CY31RC engine, available exclusively at DDM, offers simply amazing performance. 30.5cc's of modified and fully ported power. 36mm bore, 30mm stroke.
New! 2006 model Chung Yang CY29RC headkit engine (35mm bore, 30mm stroke - 28.9cc) with Walbro WT-668 carburetor.