Can you put tires of 195 60R15 on 185 65R15?

No, you cannot directly swap 195/60R15 tires for 185/65R15 tires without considering the implications on vehicle performance and safety. The first number (195 vs. 185) indicates the tire width in millimeters, while the second number (60 vs. 65) represents the aspect ratio, affecting the tire's sidewall height. Installing a wider tire may cause rubbing issues with the vehicle's suspension or fenders, and altering the aspect ratio can affect handling and speedometer accuracy. Always consult your vehicle's specifications or a tire professional before making such changes.