Did one back in 2006 from Munn racing. I remember it having a little more power everywhere. Sold the 250 top end for almost the same as it cost me to get 300 so was totally worth it.
I have the Slavens complete kit on my 17 TC 250. Moto only for me and I like it a lot. More power everywhere, maybe signs off 10% earlier,seems Slavens did some good testing before putting out his kit, very satisfied here.
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