1991 Suzuki GSF 400 Bandit "causes speedometer reading faster actual" Questions

...speedometer will not read correctly. With a smaller tire if the speedo says 65 you will really be doing 55 or so. The actual mileage driven will be off as well. The lower profile tires also do not ...

...speedometer reading; can the rear sprocket size affect the speedometer reading? Definitely! When you put a larger or smaller tire it will effect it and so will changing any gear ratios. The speed- o- ...