Join Date: Mar 2010
Location: Gainesville, FL, USA
I am sure he meant over-estimates. Just about every speedo out there on motorcycles over-estimates by 6-8% by design, it seems. Heck, it even says so in the manual for the Thunderbird, from what I remember!
I know my 919 is over by about 9%!
2010 Triumph Thunderbird
2006 Suzuki Boulevard S50