Yamaha serial number model

I am new to the forum, I recently purchased a Yamaha electric golf cart, i am trying to find the year and model i did find the serial number under the seat it is: JF8-400298 looking on the web I culd not find the model, i double checked the serial number and it is correct, I want to purchase headlight for it, so i do need to know what year and the G** any help would be appreciated,
:help::help: