Hello I own a smartech magic wheel. It has the 2 speed tranny. I was
wondering, I dont hear it shift into second gear. Also it doesnt seem to go
too fast (stuck in first geer). I tried to adjust the allen screw in the
central gearbox but it didn't seem to have any impact. I know there are 2
screws, do I adjust them both? i tried both. Any help would be appreciated.

It wont shift cause its to rich. Lean the mix by turning to the right the bigger screw on the carburator.

if you messed with both screws you in trobal i don't know what one to turn but know the 2ed speed hub is now not griped to the shaft

please corect me if i'm wrong i don't have this truck