In this video it is concluded that a two stroke engine never works as anticipated. Then I port the cylinder which really happened to have too much metal in it.

00:00 Dyno test with new piston
07:25 Dyno problems
09:55 The engine and tuner break down
17:52 Troubleshooting
23:23 Porting the exhaust port
34:25 Cylinder head leak
38:45 Startup
39:52 Temperature gauge
40:58 Testing the porting
46:36 Results