Don’t just release the clutch when down shifting. let it out nice and easy and you will get a nice growl out of it.
The faq on http://www.ninja250.com will most likely be able to answer all of your mechanical questions. If you go there, don’t ask questions in the forum without reading the faq; They don’t like it.
“I am the best there is at what I do, and what I do ain’t nice.”-Wolverine