All the linkages having to do with the throttle and speed governor were set short when I got my cart. It was impossible to drive it slow without stopping and starting the engine and it spent one year at the burn doing just that.
I asked on a golf cart message board about how to make it drive super slow and the experts told me that frequently people shorten all the linkages/cables to make the cart go fast and to try to bypass the governor.
I readjusted the throttle linkage at the carburetor to open just after the run microswitch is activated. It was shortened to WFO previously. You may need to open the electrical/linkage box to observe/hear the linkage action or to adjust the length of the cable if it is anything like my club car. I also had to tighten the return spring on the carburetor so that it would naturally want to close and help keep the linkages in that area taut. This helped with fine throttle control and sticking immensely.
I loosened the nut on the governor lever that secures the lever to the arm that goes forward to act on the throttle. This is in the transaxle area just inboard of the driven clutch on my GC. I secured it back in place where I observed marks on the rod where it seemed to be set at at the factory. It was perfect. I then fucked with it several times and had to return it to the first place I reset it at.
Now it's minimum speed is about half of walking speed and maximum is probably 15mph or so. I was concerned with possibly burning belts going so slow but I have never seen, smelled or had any indication that there is excess wear going on from driving it slow.
Hope this points you in the right direction.
Black Rock City Welding and Repair. The Night Time Warming Station.
When you pass the 4th "bridge out!" sign; the flaming death is all yours.-Knowmad-