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how to de restrict?

direct bikes;db50qt-15b.have moved washer on carb needle.pulls away faster but still stifled at 30mph.?D
D, October 2017
Take off the inlet and you should find a restricter in there, you may need to warm up the outer casing and pull it out.
hope this helps.

dg, June 2018
link Click here to see other fixes for Direct Bikes DB50QT-15B.