Zenoah Modified Engine 27cc Redline 

 This Zenoah Modified Engine the Modifications include: 2mm Stroker crank for more torque, increased compression, raised exhaust timing and reshaped and enlarged exhaust port. The transfers opened up and reshaped. The intake opened up and timing changed. The piston has been lightenedand the excess material from the inside has been removed via CNC machine, top of the piston has been relieved to prevent piston seizures and skirts trimmed on sides to enhanse the transfer flow. The Walbro WT-257 Modified carbuerator bored out and entry angle reshaped for better flow. Now with Zero Drag Seals and Aluminum carb intake block and a NGK CMR7H spark plug installed. This engine produces 6 1/4 hp on a Trik dyno.