Help, ran straight oil. Won't start.

Bikeguy Joe

Godfather of Motorized Bicycles
Jan 8, 2008
11,843
241
63
up north now
your losing volume
The reason it wouldn't go is because the wrong oil was used, and likely in too low of a fuel to oil ratio. THEN the mix pools in the crankcase and keeps fouling the new proper mixture and/or plug.

Once he got it all cleaned out- boom! it runs.