sirphobos15

Hey I have just recently purchased a 1985 Yamaha moto 4 200 and found that the air filter case is not only busted open but also missing the filter and element. I have searched for these parts online and have yet to find any out there for sale. I was wondering if there is a way to make my own air filter case with filter or some way to go about fixing this problem. Any help would be much appreciated thank you . Can post pictures if need to