G'day to all the GTS 250 riders in Turkey! I wish I could find an easy way to translate your posts but the best I have found so far is a Turkish to English dictionary but this only works one word at a time.
I have had my GTS 250 (Firenze in Australia) for 3 months now. I have just over 2500 kms on the bike and am still really enjoying it. Still no mechanical or other problems so far!
I took it for a 600km ride yesterday on the highway north of Melbourne, mostly cruising at around 120kph according to the speedo. It felt stable at this speed. The only issue I had was a sore backside after a few hours so I am investigating a wood bead seat cover to try and improve this.
I took my GPS with me and found that the speedo on the GTS 250 reads about 7kph over when it shows 100, 110 and 120kph. My GPS confirmed that I was doing 113kph when the speedo was showing 120kph with a similar error when showing 100 and 110kph. The speed limit on the highway was 110kph so I kept the speedo at just under or on 120kph and this seemed correct based on the speed of other traffic.
I now think that the screen on the GTS 250 is fine and what I thought was buffeting coming over the top of the screen is actually coming from around the screen. I wore earplugs and this dramatically reduced the wind noise which allowed me to concentrate on where the buffeting was coming from. I have tried a temporary screen extension of around 100mm but this did not make a noticeable difference which is what lead me to suspect that it was more wind noise than buffeting that was causing my discomfort.
So instead of looking for a larger screen or laminar lip I am now investigating a quieter helmet as the difference with and without earplugs is very significant. I have a M2R flip-face helmet and I suspect that the flip hinge causes a lot of wind noise near my ear.
The fuel consumption was not as good as I had expected at around 5.5l/100km (around 42-43mpg imperial). This is the same as I get doing short start-stop commutes to and from work. My guess is that sitting on 120kph on the speedo (around 6,700-7,000 rpm) is not the best for fuel consumption. I have noticed much better figures for rides that would average more like 90kph. I have been using 95 octane petrol since getting the bike. I will see if 98 octane makes a difference.
I have a 1300km ride planned for November and I will give another update after that ride.
Bruce (ScootaGeek)
Melbourne, Australia