Fast Dominant 7 lick which will get your left and right hand going!
Learning to play fast solos requires you to learn to play slow! Slow it way down and analyze your technique carefully until you discover what is holding you back. The whole point of playing slowly is to give yourself room to analyze your playing, identify any tension or bad habits that are holding you back. Experiment to find your optimal technique and let your brain and muscles gradually learn - to consistently get it right.
E Dominant 7 scale.
Use the bridge pickup, which is the best for the classic Telecaster sound. Software used for this kind of sound is Guitar Rig 5 with a factory preset - Country Twang clean.