There are a few things to keep in mind when deciding when to repot your Arabica coffee plant. First, consider the plant's current pot size. If the pot is small, it will need to be replaced more frequently than if it were larger. Second, take a look at the roots. If they are tightly packed or appear to be crowding the pot, it's time for a new one. Finally, think about the plant's growth rate. A fast-growing plant will need to be repoted more often than a slow-growing one. In general, you should repot your Arabica coffee plant every two to three years. This will ensure that it has enough room to grow and stay healthy.