Some progress. I have the motor temporarily mounted in the frame. I screwed up the offset, so I will need to fix that, and If still needs a front mount. The concept looks good, motor fits just right! Most of the machine work for the gear reduction is done. Just need to press in bearings. My 3D clutch is here, and I have a plan for a 5/8 to 3/4 shaft adapter. As you can see, the gas tank is mocked up. I will use the posterboard as patterns to cut out sheet metal, and weld or braze it up. Planning on two tanks, one on either side of the top tube.