Hey guys, this is my first post to this forum, so sorry if im posting in the wrong section. Anyway i bought an 04 XR6 with 150xxx on the clock and was wondering what are some things I can do to it that wont break my bank? Mechanical and cosmetic wise, it already has a filter, thanks guys

The question has been answered countless times. Try using the search feature for the most common answers and in doing so will also help you familiarise yourself around here. You will also come across many interesting reads on your B series.
Also the garage forum is used for build threads. I've moved the topic to the most appropriate forum for you.