Eachine EM1 Double-Piston Mini Engine

(Same as M14) 4-stroke double-piston (opposed-piston) engine - review and demonstration. Tired of your Hit & Miss jumping all around? Then this is the engine for you. Very smooth runner... almost no vibration. Beautiful little engine. Coupon Code 10% off for all engines on EngineDIY.com and EngineDIYShop: Ron'sStuff