CUSTOM™ motorcycles Just completed ... mostly machined on a Tormach PCNC mill with SolidWorks/SprutCam CAD/CAM plus manual lathe work on the cast iron cylinders, pistons, rings and crank. One inch bore with inch stroke. Built entirely from material from a local scrap yard. Plan set available from . Mayhugh engine V-twin vtwin tormach howell
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