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General => Technical | How To => Topic started by: mrmike on September 10, 2013, 11:50:46 PM

Title: Speedometer Error Correctible?
Post by: mrmike on September 10, 2013, 11:50:46 PM

   I have a 2012 GTI300. My speedometer reads about 2mph fast when checked with a GPS. Will changing the front tire from a 110/70-16 to a 120/70-16 help to correct this? I'm going to upgrade to Michelin City Grips and would like to correct the speedometer at the same time. I believe the slightly bigger diameter would help.

Title: Re: Speedometer Error Correctible?
Post by: CosmoKorny on September 11, 2013, 01:14:54 AM

You have already been given very good advice regarding tire size. 

Your speedo is 2 percent off?  It seems to me tire wear alone is going to account for more than 2 percent.

Title: Re: Speedometer Error Correctible?
Post by: johnson on September 11, 2013, 04:08:02 AM

Only two percent off?  You need to park that scoot in the garage and save it for the scooter museum.  No one has a speedo that accurate. 

Title: Re: Speedometer Error Correctible?
Post by: Vivo on September 11, 2013, 05:35:53 AM

2 percent? wow!  Mine is around 10%.. but who cares? I seldom look at my speedo... more on the gas gauge...Lol!