Here are a few points to consider:
Drivetrain:
Ensure that the drivetrain, such as the differentials, axles, and transmission, is capable of handling the change in tire size. Sometimes, the front and rear driveline components are designed to work with specific tire sizes, and significant deviations can cause issues with power delivery or strain the components.
Handling:
Changing tire sizes can affect the ATV's handling characteristics, including steering response and stability. Since tire size and profile impact suspension geometry, it's important to ensure the ATV's handling remains safe and predictable after changing the tire sizes.
Ground Clearance:
Consider the potential change in ground clearance that may result from switching to the same size tires. If the new tires are larger than the originals, ground clearance may increase, which could be beneficial for certain riding situations. However, it could also alter the ATV's center of gravity and affect handling.
Modifications:
Using tires with different sizes than the recommended specifications may require additional modifications to the ATV, such as changes to the suspension or fenders, to ensure proper fitment and functionality.
For these reasons, it's always best to confirm the compatibility of using the same size tires on the front as the back of your Honda ATV with the manufacturer or a qualified technician to avoid potential issues or compromising the ATV's safety.