I remember I also had a hard time finding a belt for my machine.
I see the other machine has a Jason belt on it. Yes that may work; but the Jason belts are not power sports belts; that is an industrial belt. Somehow the cords are different in them. Yes, I know they work; but this type of clutch depends on the belt to give optimum performance.
These machines are not hard on belts, so the Jason would hold up under normal conditions. If you can find a snowmobile belt, to transfer to that number; that would be a high performance belt.
I played with the belts and every manufacturer a few years ago; and it is really intricate.
motocycle