Welcome to the forum, A dt? nice. My mate had a dt50, he desighned and fabricated from scratch a new exhaust for it from sheet metal, got 45mph out of it instead of the std 30mph moped preformance of the stock system, he even rode the thing from Newtown, mid Wales to Cambridge uni a few times, before selling it. I still have the bike I bought soon afterwards (kh125)-having been inspired to motorcycles by the mighty dt. 2 strokes are fun.