After run maintenence: Spray lube connected to Carb or needle inlet with carb at WOT, Plug removed and blow plug installed and ran to a catch can, Press spray lube nozzle and turn over with starter flushing throughly. Close Carb, remove spray lube and attachment, remove blow plug and pour ATF into glowplug hole turning motor over by hand a few cycles then bringing piston to TDC and fill to top, reinstall glowplug. Install Carb and Pipe caps (rubber caps).