How do i find out what year my KTM Dirt bike is i do not have the title to it or

[Ben Lappert]

anything i just bought it off? How do i find out what year my KTM Dirt bike is i do not have the title to it or anything i just bought it off a friend that is why i do not have the title or anything to it. Is there any writings on it that says what year it is? Thank you for any answers.