Not so much stupid, more like it is just being new to all of this is all.
I started out with the cheapest piece of crap there was called a Seeutec motor kit...after breaking with Valvoline multipurpose 2 stroke oil I then went to nothing but Amsoil Dominator 2 cycle racing oil @ 32:1 ratio and ran the snot out of it for 6,000 miles over the course of 5 years before I replaced the motor when I got a new bike to mount it on.
The Seeutec is still runnable if I ever want to use it again...lol.
I presently have only been buying my motors from bicycle-engines.com up in Bozeman, Montana and am right now running the Phantom 2nd edition V-2 series motor with the needle bearing rather than the bushing installed in it running the Amsoil Dominator oil at 25:1 and have been more than happy with it as I have hit 51 MPH on it, just once to see if it would do it...lol...I cruise all the time between 30 to 35 MPH at around 1/4 throttle and not quite 1/2 throttle on steep hills and mountain foothills that surround my area.
They are pricey but at least in my experience, as well as
@ImpulseRocket experience, has been well worth the extra bucks to buy it, especially since they also have the six month warranty on everything in the motor kit and actually honour their warranties with zero hassle.