I have a 78 dt 175.. I got the bike from a friend and he had it all taken apart and whatnot.. I was wondering if there is an oil tank behind the left side cover.. and if there is not and the oil is put into the right side of the lowerend near the kick starter, I was wondering what kind of oil to put in it.. 2 stroke or 4? Please email me with your reponses.. rineer153@yahoo.com.. thanks