I have a Oval series Hmf slip on that I had on a Klx 250 09' I loved it and eventually sold the bike and kept this from it. I paid around 230$ but I would gladly take $150. It has about 1000 miles of use on it so it is not burned out by any means. It has some scuffs but other than that its straight as new. I remember re-jetting the pilot up about one size and the main up one step with a filter and it woke the bike up nicely.