Carburetor Replacement. Motoblock Oka MB-1
After three years, the valve stem on my Oka MB1 walk-behind tractor started leaking. To replace the valve stem, you have to replace the entire carburetor, as the stem stem is integrated into the carburetor. In this video, I share my personal experience. I ended up doing a lot: disassembling and lubricating the throttle control unit, finding an extra part, removing the gas tank, understanding the automatic throttle boost system with a centrifugal speed regulator, and finding the differences between the new and old carburetors. Finally, I broke in the walk-behind tractor with the new carburetor.