Hello, I am new to motorized bicycles and new to working with motors in general. Recently, I installed a Lucky Early Bird 2 stroke engine. I am in the process of breaking it in, not riding it for more than .5hrs at a time and using a 16:1 gasil mix. My plan was to keep this up for the 1st 300miles, just like the manual says. It was running fine. However, the bike no longer moves forward when I give it gas. When I give it gas the engine revs but no torque to move the chain? After reading posts I am suspicious of the gasil mixture. Therefore, I'm going to test with new mixture. If this doesn't work what should I do? Thanks a bunch.