i just bought an 1988 honda 300 4wd for $400 and where the rear shaft drive is it moves around. is there a bearing thats suppose to go there? and it not the rear wheel bearings.Also where could i get a snorkle kit?any help greatly appreciated

 

somone must owned or worked on one of these old honda 4wds

 

i did some research and looking over its the swingarm bearings that r bad has anyone ever replaced these before?its like you nd a big allen wrench to get the swing arm a part over should it be tooken to a shop to be done