Hansons most powerful Zenoah engine producing 5.9HP @ 16,000 rpm, with 5HP still being produced@ 18,000rpm. Engine will be customer set timing, depending on your application. Engine has M-cut lightweight piston with increased compression, enlarged inlet & exhaust port race timed, extensive transfer port modifications, trued & balanced crankshaft with bearings set for end play with low drag seals, bored out and bell mouthed 257 or 643 carb. balanced flywheel
As the engines are custom made delivery is approx. 2 -3 weeks from the States.