Zenoah 29cc big bore kits are now available! These big-bore kits will fit Zenoah G240/G270 4 bolt engines, or any engine that has the 4 bolt crankcase pattern. Includes cylinder, piston, ring, piston pin, circlips, base gasket, and spark plug. Increases displacement to 29cc (36mm bore) for a substantial increase in power
Kit is designed to work with stock 28mm stroke crankshafts
For more information, please visit this products webpage.