Originally Posted by jhwnissan

Second... The main gear will need an adaptor. This is the FF-03 gear adaptor that has had the center drilled out to fit the TT-01 shaft. I also took a pin to put in there and shaved it to perfectly fit the width of the shaft. This is VERY important as your gear goes over the top of the pin and helps hold it in. First you put the gear on, then slide the adapter, then slide the pin in... then you attach the gear to the adapter. It sounds complicated but works pretty easily once you get the parts.