Flying Horse 48cc/66cc/80cc 2-Stroke Motorized Bicycle Engine Magneto Case Cover &ndash; Gas Bike Mag Case Cover Replacement The Magneto Case Cover replaces the magneto case cover on your 48cc or 66/80cc motorized bike engine kit, including Flying Horse, Mega Motors, Grubee, Stinger, RAW, and Power King Motors Installation is simple: just unbolt and remove your existing magneto case cover, replace and clamp the new magneto case cover to your motor- it's that simple This case houses your magneto and magneto magnet