The stock rear tire size for the Suzuki Gixxer may vary depending on the specific model and year. However, it is commonly equipped with a 130/70-17 rear tire.
If you are considering fitting a 140/70 tire on the back of your Suzuki Gixxer, it's important to note that it could potentially affect the overall performance and handling of the motorcycle. The tire size and specifications are carefully chosen by the manufacturer to ensure optimal performance, handling, and safety.
Modifying the tire size could lead to clearance issues, affect the accuracy of speedometer and odometer readings, alter the bike's handling characteristics, and potentially impact the suspension and overall stability.
It is recommended to stick with the manufacturer-recommended tire size for your Suzuki Gixxer. If you are looking for different tire options, it's best to consult with authorized dealers or professional tire fitters who can provide suitable alternatives and guidance based on your specific requirements and the compatibility of the bike.